Submission #470972

#	Time	Username	Problem	Language	Result	Execution time	Memory
470972		spike1236	Examination (JOI19_examination)	C++14	2 / 100	3058 ms	3968 KiB

examination

#include <iostream>
#pragma GCC optimize("-Ofast")
#pragma GCC target("avx,avx2,fma")
using namespace std;

const int MAXN = 1e5 + 10;
int a[MAXN], b[MAXN];

int main() {
    int n, q;
    scanf("%d%d", &n, &q);
    for(int i = 0; i < n; ++i) scanf("%d%d", a + i, b + i);
    int x, y, z, ans = 0;
    for(int i = 0; i < q; ++i) {
        scanf("%d%d%d", &x, &y, &z);
        ans = 0;
        for(int j = 0; j < n; ++j)
            if(a[j] >= x && b[j] >= y && a[j] + b[j] >= z) ++ans;
        cout << ans << '\n';
    }
    return 0;
}

Compilation message (stderr)

examination.cpp: In function 'int main()':
examination.cpp:11:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 |     scanf("%d%d", &n, &q);
      |     ~~~~~^~~~~~~~~~~~~~~~
examination.cpp:12:37: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 |     for(int i = 0; i < n; ++i) scanf("%d%d", a + i, b + i);
      |                                ~~~~~^~~~~~~~~~~~~~~~~~~~~~
examination.cpp:15:14: 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