Submission #715410

#	Time	Username	Problem	Language	Result	Execution time	Memory
715410		fuad27	Examination (JOI19_examination)	C++17	100 / 100	2764 ms	3524 KiB

examination

#include<iostream>
using namespace std;
#pragma GCC target ("avx2")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
const int N = 100'001;
int n, q, ans;
int x, y, z;
int s[N], t[N];
int i;
int main () {
	scanf("%d %d", &n, &q);
	for(i = 0;i<n;i++) {
		scanf("%d %d", &s[i], &t[i]);
	}
	while(q--) {
		ans=0;
		scanf("%d %d %d", &x, &y, &z);
		for(i = 0;i<n;i++) {
      int ff=(s[i]>=x);
      int ss=(t[i]>=y);
      int tt=(s[i]+t[i]>=z);
      ans+=ff&ss&tt;
		}
		printf("%d\n", ans);
	}
}

Compilation message (stderr)

examination.cpp: In function 'int main()':
examination.cpp:12:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |  scanf("%d %d", &n, &q);
      |  ~~~~~^~~~~~~~~~~~~~~~~
examination.cpp:14:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 |   scanf("%d %d", &s[i], &t[i]);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~
examination.cpp:18:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   18 |   scanf("%d %d %d", &x, &y, &z);
      |   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

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