Submission #497650

#	Time	Username	Problem	Language	Result	Execution time	Memory
497650		penguin133	Examination (JOI19_examination)	C++17	2 / 100	3082 ms	2992 KiB

examination

#pragma GCC optimize("Ofast,no-stack-protector,unroll-loops,fast-math")
#pragma GCC target("avx2,popcnt")

#include <bits/stdc++.h>
using namespace std;
const int N = 100005;
int n, q, s[N], t[N];

int main() {
	scanf("%d %d", &n, &q);
	for (int i = 1; i <= n; i++) {
		scanf("%d %d", &s[i], &t[i]);
	}
	while (q--) {
		int x, y, z, ans = 0;
		scanf("%d %d %d", &x, &y, &z);
		for (int i = 1; i <= n; i++)
			if (s[i] >= x && t[i] >= y && s[i] + t[i] >= z) ans++;
		printf("%d\n", ans);
	}
	return 0;
}

Compilation message (stderr)

examination.cpp: In function 'int main()':
examination.cpp:10:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   10 |  scanf("%d %d", &n, &q);
      |  ~~~~~^~~~~~~~~~~~~~~~~
examination.cpp:12:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |   scanf("%d %d", &s[i], &t[i]);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~
examination.cpp:16:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   16 |   scanf("%d %d %d", &x, &y, &z);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 2 / 2
• Subtask 2: 0 / 20
• Subtask 3: 0 / 21
• Subtask 4: 0 / 57