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문제

$N$명의 학생이 수학 부문과 정보 부문이 있는 시험을 쳤다. $i$번째 ($1 \le i \le N$) 학생은 수학에서는 $S_i$점을, 정보에서는 $T_i$점을 받았다. T교수와 I교수는 각 학생이 시험을 통과할지 말지를, 점수를 기반으로 정하려고 한다.

  • T 교수는 두 과목을 모두 중요하게 본다. 수학에서 $A$점, 정보에서 $B$점을 받아야만 통과한 것으로 생각한다.
  • I 교수는 총점만 중요하게 본다. 수학과 정보를 합쳐서 $C$점 받아야 통과한 것으로 생각한다.
  • 두 교수의 기준을 모두 통과한 학생만 시험을 통과할 수 있다.

당신은 기준인 $A$, $B$, $C$를 모른다. 하지만, $Q$가지의 세 정수 $(X_j,\ Y_j,\ Z_j)$ ($1 \le j \le Q$) 가 주어져서 몇 명의 학생들이 $A=X_j,\ B=Y_j,\ C=Z_j$일 때 시험을 통과하는지 알고 싶다.   

학생들의 수, 점수 정보와 점수 기준이 주어졌을 때, 이 조건 하에서 시험을 통과하는 학생의 수를 구하여라.

입력

표준 입력에서 다음과 같은 형식으로 주어진다. 모든 값은 정수이다.

$N$ $Q$ $S_1$ $T_1$ $\vdots$ $S_N$ $T_N$ $X_1$ $Y_1$ $Z_1$ $\vdots$ $X_Q$ $Y_Q$ $Z_Q$

출력

표준 출력으로 $Q$개의 줄을 출력하여라. $j$번째 ($1 \le j \le Q$)줄은 몇 명의 학생들이 $A=X_j,\ B=Y_j,\ C=Z_j$일 때 시험을 통과하는 학생 수이다.

제한

  • $1 \le N \le 100\ 000$.
  • $1 \le Q \le 100\ 000$
  • $0 \le S_i \le 1\ 000\ 000\ 000$ ($1 \le i \le N$).
  • $0 \le T_i \le 1\ 000\ 000\ 000$ ($1 \le i \le N$).
  • $0 \le X_j \le 1\ 000\ 000\ 000$ ($1 \le j \le Q$).
  • $0 \le Y_j \le 1\ 000\ 000\ 000$ ($1 \le j \le Q$).
  • $0 \le Z_j \le 2\ 000\ 000\ 000$ ($1 \le j \le Q$).

서브태스크

번호배점제한
12

N ≤ 3 000, Q ≤ 3 000.

220

Si ≤ 100 000, Ti ≤ 100 000 (1 ≤ i ≤ N), Xj ≤ 100 000, Yj ≤ 100 000, Zj = 0 (1 ≤ j ≤ Q).

321

Si ≤ 100 000, Ti ≤ 100 000 (1 ≤ i ≤ N), Xj ≤ 100 000, Yj ≤ 100 000, Zj ≤ 200 000 (1 ≤ j ≤ Q).

457

No additional constraints.

예제 입력 1

5 4
35 100
70 70
45 15
80 40
20 95
20 50 120
10 10 100
60 60 80
0 100 100

예제 출력 1

2
4
1
1
  • $A=20,\ B=50,\ C=120$일 때, 첫 번째와 두 번째 학생만 수학 부문에서 최소 20점, 정보 시험에서 최소 50점, 그리고 총점 120점을 넘길 수 있다. 그래서 시험을 통과하는 학생들의 수는 2이다.
  • $A=10,\ B=10,\ C=100$일 때, 첫 번째, 두 번째, 네 번째 그리고 다섯 번째 학생만 수학 부문에서 최소 10점, 정보 시험에서 최소 10점, 그리고 총점 100점을 넘길 수 있다. 그래서 시험을 통과하는 학생들의 수는 4이다.
  • $A=60,\ B=60,\ C=80$일 때, 두 번째 학생만 수학 부문에서 최소 60점, 정보 시험에서 최소 60점, 그리고 총점 80점을 넘길 수 있다. 그래서 시험을 통과하는 학생들의 수는 1이다.
  • $A=0,\ B=100,\ C=100$일 때, 첫 번째 학생만 수학 부문에서 최소 0점, 정보 시험에서 최소 100점, 그리고 총점 100점을 넘길 수 있다. 그래서 시험을 통과하는 학생들의 수는 1이다.

예제 입력 2

10 10
41304 98327
91921 28251
85635 59191
30361 72671
28949 96958
99041 37826
10245 2726
19387 20282
60366 87723
95388 49726
52302 69501 66009
43754 45346 3158
25224 58881 18727
7298 24412 63782
24107 10583 61508
65025 29140 7278
36104 56758 2775
23126 67608 122051
56910 17272 62933
39675 15874 117117

예제 출력 2

1
3
5
8
8
3
3
3
5
6
[{"problem_id":"17668","problem_lang":"0","title":"\uc2dc\ud5d8","description":"<p>$N$\uba85\uc758 \ud559\uc0dd\uc774 \uc218\ud559 \ubd80\ubb38\uacfc \uc815\ubcf4 \ubd80\ubb38\uc774 \uc788\ub294 \uc2dc\ud5d8\uc744 \ucce4\ub2e4. $i$\ubc88\uc9f8 ($1 \\le i \\le N$) \ud559\uc0dd\uc740 \uc218\ud559\uc5d0\uc11c\ub294 $S_i$\uc810\uc744, \uc815\ubcf4\uc5d0\uc11c\ub294 $T_i$\uc810\uc744 \ubc1b\uc558\ub2e4. T\uad50\uc218\uc640 I\uad50\uc218\ub294 \uac01 \ud559\uc0dd\uc774 \uc2dc\ud5d8\uc744 \ud1b5\uacfc\ud560\uc9c0 \ub9d0\uc9c0\ub97c, \uc810\uc218\ub97c \uae30\ubc18\uc73c\ub85c \uc815\ud558\ub824\uace0 \ud55c\ub2e4.<\/p>\r\n\r\n<ul>\r\n\t<li>T \uad50\uc218\ub294 \ub450 \uacfc\ubaa9\uc744 \ubaa8\ub450 \uc911\uc694\ud558\uac8c \ubcf8\ub2e4. \uc218\ud559\uc5d0\uc11c $A$\uc810, \uc815\ubcf4\uc5d0\uc11c $B$\uc810\uc744 \ubc1b\uc544\uc57c\ub9cc \ud1b5\uacfc\ud55c \uac83\uc73c\ub85c \uc0dd\uac01\ud55c\ub2e4.<\/li>\r\n\t<li>I \uad50\uc218\ub294 \ucd1d\uc810\ub9cc \uc911\uc694\ud558\uac8c \ubcf8\ub2e4. \uc218\ud559\uacfc \uc815\ubcf4\ub97c \ud569\uccd0\uc11c $C$\uc810 \ubc1b\uc544\uc57c \ud1b5\uacfc\ud55c \uac83\uc73c\ub85c \uc0dd\uac01\ud55c\ub2e4.<\/li>\r\n\t<li>\ub450 \uad50\uc218\uc758 \uae30\uc900\uc744 \ubaa8\ub450 \ud1b5\uacfc\ud55c \ud559\uc0dd\ub9cc \uc2dc\ud5d8\uc744 \ud1b5\uacfc\ud560 \uc218 \uc788\ub2e4.<\/li>\r\n<\/ul>\r\n\r\n<p>\ub2f9\uc2e0\uc740 \uae30\uc900\uc778 $A$, $B$, $C$\ub97c \ubaa8\ub978\ub2e4. \ud558\uc9c0\ub9cc, $Q$\uac00\uc9c0\uc758 \uc138 \uc815\uc218 $(X_j,\\ Y_j,\\ Z_j)$ ($1 \\le j \\le Q$) \uac00 \uc8fc\uc5b4\uc838\uc11c \uba87 \uba85\uc758 \ud559\uc0dd\ub4e4\uc774 $A=X_j,\\ B=Y_j,\\ C=Z_j$\uc77c \ub54c \uc2dc\ud5d8\uc744 \ud1b5\uacfc\ud558\ub294\uc9c0 \uc54c\uace0 \uc2f6\ub2e4.&nbsp;&nbsp;&nbsp;<\/p>\r\n\r\n<p>\ud559\uc0dd\ub4e4\uc758 \uc218, \uc810\uc218 \uc815\ubcf4\uc640 \uc810\uc218 \uae30\uc900\uc774 \uc8fc\uc5b4\uc84c\uc744 \ub54c, \uc774 \uc870\uac74 \ud558\uc5d0\uc11c \uc2dc\ud5d8\uc744 \ud1b5\uacfc\ud558\ub294 \ud559\uc0dd\uc758 \uc218\ub97c \uad6c\ud558\uc5ec\ub77c.<\/p>\r\n","input":"<p>\ud45c\uc900 \uc785\ub825\uc5d0\uc11c \ub2e4\uc74c\uacfc \uac19\uc740 \ud615\uc2dd\uc73c\ub85c \uc8fc\uc5b4\uc9c4\ub2e4. \ubaa8\ub4e0 \uac12\uc740 \uc815\uc218\uc774\ub2e4.<\/p>\r\n\r\n<p>$N$ $Q$ $S_1$ $T_1$ $\\vdots$ $S_N$ $T_N$ $X_1$ $Y_1$ $Z_1$ $\\vdots$ $X_Q$ $Y_Q$ $Z_Q$<\/p>\r\n","output":"<p>\ud45c\uc900 \ucd9c\ub825\uc73c\ub85c $Q$\uac1c\uc758 \uc904\uc744 \ucd9c\ub825\ud558\uc5ec\ub77c. $j$\ubc88\uc9f8 ($1 \\le j \\le Q$)\uc904\uc740 \uba87 \uba85\uc758 \ud559\uc0dd\ub4e4\uc774 $A=X_j,\\ B=Y_j,\\ C=Z_j$\uc77c \ub54c \uc2dc\ud5d8\uc744 \ud1b5\uacfc\ud558\ub294 \ud559\uc0dd \uc218\uc774\ub2e4.<\/p>\r\n","hint":"","original":"1","html_title":"0","problem_lang_tcode":"Korean","limit":"<ul>\r\n\t<li>$1 \\le N \\le 100\\ 000$.<\/li>\r\n\t<li>$1 \\le Q \\le 100\\ 000$<\/li>\r\n\t<li>$0 \\le S_i \\le 1\\ 000\\ 000\\ 000$ ($1 \\le i \\le N$).<\/li>\r\n\t<li>$0 \\le T_i \\le 1\\ 000\\ 000\\ 000$ ($1 \\le i \\le N$).<\/li>\r\n\t<li>$0 \\le X_j \\le 1\\ 000\\ 000\\ 000$ ($1 \\le j \\le Q$).<\/li>\r\n\t<li>$0 \\le Y_j \\le 1\\ 000\\ 000\\ 000$ ($1 \\le j \\le Q$).<\/li>\r\n\t<li>$0 \\le Z_j \\le 2\\ 000\\ 000\\ 000$ ($1 \\le j \\le Q$).<\/li>\r\n<\/ul>\r\n","subtask1":"<p>N &le; 3 000, Q &le; 3 000.<\/p>\r\n","subtask2":"<p>S<sub>i<\/sub> &le; 100 000, T<sub>i<\/sub> &le; 100 000 (1 &le; i &le; N), X<sub>j<\/sub> &le; 100 000, Y<sub>j<\/sub> &le; 100 000, Z<sub>j<\/sub> = 0 (1 &le; j &le; Q).<\/p>\r\n","subtask3":"<p>S<sub>i<\/sub> &le; 100 000, T<sub>i<\/sub> &le; 100 000 (1 &le; i &le; N), X<sub>j<\/sub> &le; 100 000, Y<sub>j<\/sub> &le; 100 000, Z<sub>j<\/sub> &le; 200 000 (1 &le; j &le; Q).<\/p>\r\n","subtask4":"<p>No additional constraints.<\/p>\r\n","sample_explain_1":"<ul>\r\n\t<li>$A=20,\\ B=50,\\ C=120$\uc77c \ub54c, \uccab \ubc88\uc9f8\uc640 \ub450 \ubc88\uc9f8 \ud559\uc0dd\ub9cc \uc218\ud559 \ubd80\ubb38\uc5d0\uc11c \ucd5c\uc18c 20\uc810, \uc815\ubcf4 \uc2dc\ud5d8\uc5d0\uc11c \ucd5c\uc18c 50\uc810, \uadf8\ub9ac\uace0 \ucd1d\uc810 120\uc810\uc744 \ub118\uae38 \uc218 \uc788\ub2e4. \uadf8\ub798\uc11c \uc2dc\ud5d8\uc744 \ud1b5\uacfc\ud558\ub294 \ud559\uc0dd\ub4e4\uc758 \uc218\ub294 2\uc774\ub2e4.<\/li>\r\n\t<li>$A=10,\\ B=10,\\ C=100$\uc77c \ub54c, \uccab \ubc88\uc9f8, \ub450 \ubc88\uc9f8, \ub124 \ubc88\uc9f8 \uadf8\ub9ac\uace0 \ub2e4\uc12f \ubc88\uc9f8 \ud559\uc0dd\ub9cc \uc218\ud559 \ubd80\ubb38\uc5d0\uc11c \ucd5c\uc18c 10\uc810, \uc815\ubcf4 \uc2dc\ud5d8\uc5d0\uc11c \ucd5c\uc18c 10\uc810, \uadf8\ub9ac\uace0 \ucd1d\uc810 100\uc810\uc744 \ub118\uae38 \uc218 \uc788\ub2e4. \uadf8\ub798\uc11c \uc2dc\ud5d8\uc744 \ud1b5\uacfc\ud558\ub294 \ud559\uc0dd\ub4e4\uc758 \uc218\ub294 4\uc774\ub2e4.<\/li>\r\n\t<li>$A=60,\\ B=60,\\ C=80$\uc77c \ub54c, \ub450 \ubc88\uc9f8 \ud559\uc0dd\ub9cc \uc218\ud559 \ubd80\ubb38\uc5d0\uc11c \ucd5c\uc18c 60\uc810, \uc815\ubcf4 \uc2dc\ud5d8\uc5d0\uc11c \ucd5c\uc18c 60\uc810, \uadf8\ub9ac\uace0 \ucd1d\uc810 80\uc810\uc744 \ub118\uae38 \uc218 \uc788\ub2e4. \uadf8\ub798\uc11c \uc2dc\ud5d8\uc744 \ud1b5\uacfc\ud558\ub294 \ud559\uc0dd\ub4e4\uc758 \uc218\ub294 1\uc774\ub2e4.<\/li>\r\n\t<li>$A=0,\\ B=100,\\ C=100$\uc77c \ub54c, \uccab \ubc88\uc9f8 \ud559\uc0dd\ub9cc \uc218\ud559 \ubd80\ubb38\uc5d0\uc11c \ucd5c\uc18c 0\uc810, \uc815\ubcf4 \uc2dc\ud5d8\uc5d0\uc11c \ucd5c\uc18c 100\uc810, \uadf8\ub9ac\uace0 \ucd1d\uc810 100\uc810\uc744 \ub118\uae38 \uc218 \uc788\ub2e4. \uadf8\ub798\uc11c \uc2dc\ud5d8\uc744 \ud1b5\uacfc\ud558\ub294 \ud559\uc0dd\ub4e4\uc758 \uc218\ub294 1\uc774\ub2e4.<\/li>\r\n<\/ul>\r\n"},{"problem_id":"17668","problem_lang":"1","title":"Examination","description":"<p>N students took an examination, which consisted of mathematics and informatics sections. The i-th student (1 &le; i &le; N) scored S i points in mathematics, and T<sub>i<\/sub> points in informatics. Professor T and Professor I are going to decide whether each student passes or fails, based on the scores.<\/p>\r\n\r\n<ul>\r\n\t<li>Professor T regards both subjects as important; he wants students who scored at least A points in mathematics and B points in informatics to pass.<\/li>\r\n\t<li>Professor I regards only the overall score as important; he wants students who scored at least C points in total to pass.<\/li>\r\n\t<li>Only students whom both professors want to pass can pass the examination.<\/li>\r\n<\/ul>\r\n\r\n<p>You do not know these criteria: the values of A, B and C. Instead, given Q triplets of integers (X<sub>j<\/sub>, Y<sub>j<\/sub>, Z<sub>j<\/sub>) (1 &le; j &le; Q), you want to know the number of students passing the examination when A = X<sub>j<\/sub>, B = Y<sub>j<\/sub> and C = Z<sub>j<\/sub>.<\/p>\r\n\r\n<p>Write a program which, given the number of students, each student&rsquo;s scores, and some criteria, calculates the number of students passing the examination under each criterion.<\/p>\r\n","input":"<p>Read the following data from the standard input. All the values in the input are integers.<\/p>\r\n\r\n<pre>\r\nN Q\r\nS<sub>1<\/sub> T<sub>1<\/sub>\r\n.\r\n.\r\n.\r\nS<sub>N<\/sub> T<sub>N<\/sub>\r\nX<sub>1<\/sub> Y<sub>1<\/sub> Z<sub>1<\/sub>\r\n.\r\n.\r\n.\r\nX<sub>Q<\/sub> Y<sub>Q<\/sub> Z<sub>Q<\/sub><\/pre>\r\n","output":"<p>Write Q lines to the standard output. The j-th line (1 &le; j &le; Q) should contain the number of students passing the examination when A = X<sub>j<\/sub>, B = Y<sub>j<\/sub> and C = Z<sub>j<\/sub>.<\/p>\r\n","hint":"","original":"0","html_title":"0","problem_lang_tcode":"English","limit":"<ul>\r\n\t<li>1 &le; N &le; 100 000.<\/li>\r\n\t<li>1 &le; Q &le; 100 000.<\/li>\r\n\t<li>0 &le; S<sub>i<\/sub> &le; 1 000 000 000 (1 &le; i &le; N).<\/li>\r\n\t<li>0 &le; T<sub>i<\/sub> &le; 1 000 000 000 (1 &le; i &le; N).<\/li>\r\n\t<li>0 &le; X<sub>j<\/sub> &le; 1 000 000 000 (1 &le; j &le; Q).<\/li>\r\n\t<li>0 &le; Y<sub>j<\/sub> &le; 1 000 000 000 (1 &le; j &le; Q).<\/li>\r\n\t<li>0 &le; Z<sub>j<\/sub> &le; 2 000 000 000 (1 &le; j &le; Q).<\/li>\r\n<\/ul>\r\n","subtask1":"<p>N &le; 3 000, Q &le; 3 000.<\/p>\r\n","subtask2":"<p>S<sub>i<\/sub> &le; 100 000, T<sub>i<\/sub> &le; 100 000 (1 &le; i &le; N), X<sub>j<\/sub> &le; 100 000, Y<sub>j<\/sub> &le; 100 000, Z<sub>j<\/sub> = 0 (1 &le; j &le; Q).<\/p>\r\n","subtask3":"<p>S<sub>i<\/sub> &le; 100 000, T<sub>i<\/sub> &le; 100 000 (1 &le; i &le; N), X<sub>j<\/sub> &le; 100 000, Y<sub>j<\/sub> &le; 100 000, Z<sub>j<\/sub> &le; 200 000 (1 &le; j &le; Q).<\/p>\r\n","subtask4":"<p>No additional constraints.<\/p>\r\n","sample_explain_1":"<ul>\r\n\t<li>When A = 20, B = 50 and C = 120, only the 1st and the 2nd student can score at least 20 points in&nbsp;mathematics, at least 50 points in informatics, and at least 120 points in total. Therefore, the number of students passing the examination is 2.<\/li>\r\n\t<li>When A = 10, B = 10 and C = 100, only the 1st, the 2nd, the 4th and 5th student can score at least 10 points in mathematics, at least 10 points in informatics, and at least 100 points in total. Therefore, the number of students passing the examination is 4.<\/li>\r\n\t<li>When A = 60, B = 60 and C = 80, only the 2nd student can score at least 60 points in mathematics, at least 60 points in informatics, and at least 80 points in total. Therefore, the number of students passing the examination is 1.<\/li>\r\n\t<li>When A = 0, B = 100 and C = 100, only the 1st student can score at least 0 points in mathematics, at least 100 points in informatics, and at least 100 points in total. Therefore, the number of students passing the examination is 1.<\/li>\r\n<\/ul>\r\n"}]

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