Submission #274031

#	Time	Username	Problem	Language	Result	Execution time	Memory
274031		Halit	Examination (JOI19_examination)	C++17	2 / 100	3080 ms	2820 KiB

examination

#include <bits/stdc++.h>
using namespace std;

int main(){
	int n,q,mat,in,s;
	scanf("%d %d", &n, &q);
	
	vector<pair<int, int> > v;
	for(int i = 0;i < n;++i){
		scanf("%d %d", &mat, &in);
		v.emplace_back(mat, in);
	}

	while(q--){
		scanf("%d %d %d", &mat, &in, &s);
		int ans = 0;
		for(int i = 0;i < n;++i)
			ans += (v[i].first >= mat) && (v[i].second >= in) && (v[i].first + v[i].second >= s);
		printf("%d\n", ans);
	}
}

Compilation message (stderr)

examination.cpp: In function 'int main()':
examination.cpp:6:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    6 |  scanf("%d %d", &n, &q);
      |  ~~~~~^~~~~~~~~~~~~~~~~
examination.cpp:10:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   10 |   scanf("%d %d", &mat, &in);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~
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", &mat, &in, &s);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~

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