oj.uz

Submission #707026

# Submission time Handle Problem Language Result Execution time Memory
707026 2023-03-08T10:01:59 Z ToroTN Star triangles (IZhO11_triangle) C++14
0 / 100
 111 ms 7456 KB 
#include<bits/stdc++.h>
using namespace std;
#define ll long long
ll n,x[300005],y[30005],cnt=0;
map<ll,ll> mp1,mp2;
int main()
{
    scanf("%lld",&n);
    for(int i=1;i<=n;i++)
    {
        scanf("%lld%lld",&x[i],&y[i]);
        ++mp1[x[i]],++mp2[y[i]];
    }
    for(int i=1;i<=n;i++)
    {
        cnt+=(mp1[x[i]]-1)*(mp2[y[i]]-1);
    }
    printf("%lld\n",cnt);
}

Compilation message

triangle.cpp: In function 'int main()':
triangle.cpp:8:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    8 |     scanf("%lld",&n);
      |     ~~~~~^~~~~~~~~~~
triangle.cpp:11:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 |         scanf("%lld%lld",&x[i],&y[i]);
      |         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 312 KB Output is correct
2 Correct 1 ms 312 KB Output is correct
3 Correct 1 ms 312 KB Output is correct
4 Correct 1 ms 308 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 1 ms 212 KB Output is correct
7 Correct 1 ms 308 KB Output is correct
8 Correct 1 ms 212 KB Output is correct
9 Correct 1 ms 312 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 7 ms 1168 KB Output is correct
13 Correct 7 ms 1244 KB Output is correct
14 Correct 10 ms 1704 KB Output is correct
15 Incorrect 111 ms 7456 KB Output isn't correct
16 Halted 0 ms 0 KB -