Submission #62765227

Source Code Expand

#include<bits/stdc++.h>
using namespace std;
const int N=2e5+5,inf=1e9;
int n,m;
map<int,bool> op[N];
int sum=0;
int main(){
	ios::sync_with_stdio(false);
	cin.tie(0),cout.tie(0);
    cin>>n>>m;
    while(m--){
        int u,v;
        cin>>u>>v;
        if(u>v) swap(u,v);
        if(u==v) sum++;
        else{
            if(op[u][v]) sum++;
            else op[u][v]=1;
        }
    }
    cout<<sum;
	return 0;
}

Submission Info

Submission Time
Task C - Make it Simple
User yang_rui
Language C++ 20 (gcc 12.2)
Score 300
Code Size 438 Byte
Status AC
Exec Time 210 ms
Memory 36284 KiB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 300 / 300
Status
AC × 3
AC × 19
Set Name Test Cases
Sample 00_sample_00.txt, 00_sample_01.txt, 00_sample_02.txt
All 00_sample_00.txt, 00_sample_01.txt, 00_sample_02.txt, 01_n_small_00.txt, 01_n_small_01.txt, 01_n_small_02.txt, 01_n_small_03.txt, 02_random_00.txt, 02_random_01.txt, 02_random_02.txt, 02_random_03.txt, 02_random_04.txt, 02_random_05.txt, 02_random_06.txt, 02_random_07.txt, 03_corner_00.txt, 03_corner_01.txt, 03_corner_02.txt, 03_corner_03.txt
Case Name Status Exec Time Memory
00_sample_00.txt AC 5 ms 12824 KiB
00_sample_01.txt AC 5 ms 12816 KiB
00_sample_02.txt AC 5 ms 12896 KiB
01_n_small_00.txt AC 45 ms 12848 KiB
01_n_small_01.txt AC 35 ms 12800 KiB
01_n_small_02.txt AC 54 ms 12912 KiB
01_n_small_03.txt AC 37 ms 12980 KiB
02_random_00.txt AC 112 ms 26752 KiB
02_random_01.txt AC 106 ms 26436 KiB
02_random_02.txt AC 210 ms 36224 KiB
02_random_03.txt AC 203 ms 36284 KiB
02_random_04.txt AC 187 ms 32912 KiB
02_random_05.txt AC 111 ms 26764 KiB
02_random_06.txt AC 160 ms 36268 KiB
02_random_07.txt AC 207 ms 36276 KiB
03_corner_00.txt AC 95 ms 24512 KiB
03_corner_01.txt AC 167 ms 24420 KiB
03_corner_02.txt AC 48 ms 13052 KiB
03_corner_03.txt AC 47 ms 12784 KiB