Submission #983718

#	Time	Username	Problem	Language	Result	Execution time	Memory
983718		Amaarsaa	Examination (JOI19_examination)	C++14	100 / 100	1967 ms	6896 KiB

examination

#pragma GCC optimize ("O3,unroll-loops")
#pragma GCC target("avx2")
#include <bits/stdc++.h>
 
using namespace std;
 
int main(){
	int n, q;
	scanf("%d%d", &n, &q);
	vector<int> S(n), T(n);
	for(int i = 0; i < n; i++){
		scanf("%d%d", &S[i], &T[i]);
	}
	int cnt = 0, A, B, C;
	for(int i = 0; i < q; i++){
		scanf("%d%d%d", &A, &B, &C);
		for(int j = 0; j < n; j++){
			if(S[j] >= A && T[j] >= B && S[j] + T[j] >= C){
				cnt++;
			}
		}
		printf("%d\n", cnt);
		cnt = 0;
	}
}

Compilation message (stderr)

examination.cpp: In function 'int main()':
examination.cpp:9:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    9 |  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", &A, &B, &C);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~

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