Submission #592065

#	Time	Username	Problem	Language	Result	Execution time	Memory
592065		fuad27	Examination (JOI19_examination)	C++17	2 / 100	3099 ms	1448 KiB

examination

#include<iostream>
using namespace std;
#pragma GCC target ("avx2")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
int main () {
	int n, q;
	scanf("%d %d", &n, &q);
	int s[n], t[n];
	for(int i = 0;i<n;i++) {
		scanf("%d %d", &s[i], &t[i]);
	}
	while(q--) {
		int x, y, z;
		scanf("%d %d %d", &x, &y, &z);
		int ans=0;
		for(int i = 0;i<n;i++) {
			if(s[i] >= x and t[i] >= y and s[i]+t[i]>=z)ans++;
		}
		printf("%d\n", ans);
	}
}

Compilation message (stderr)

examination.cpp: In function 'int main()':
examination.cpp:8:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    8 |  scanf("%d %d", &n, &q);
      |  ~~~~~^~~~~~~~~~~~~~~~~
examination.cpp:11:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 |   scanf("%d %d", &s[i], &t[i]);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~
examination.cpp:15:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   15 |   scanf("%d %d %d", &x, &y, &z);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

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