oj.uz

Submission #223353

# Submission time Handle Problem Language Result Execution time Memory
223353 2020-04-15T07:42:32 Z tqbfjotld Matching (COCI20_matching) C++14
5 / 110
 5 ms 256 KB 
#include <bits/stdc++.h>
using namespace std;

int main(){
    int n;
    scanf("%d",&n);
    vector<pair<pair<int,int>,int> >v;
    for (int x = 0; x<n; x++){
        int a,b;
        scanf("%d%d",&a,&b);
        v.push_back({{a,b},x});
    }
    sort(v.begin(),v.end());
    printf("DA\n");
    for (int x = 0; x<n; x+=2){
        printf("%d %d\n",v[x].second+1,v[x+1].second+1);
    }
}

Compilation message

matching.cpp: In function 'int main()':
matching.cpp:6:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",&n);
     ~~~~~^~~~~~~~~
matching.cpp:10:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d",&a,&b);
         ~~~~~^~~~~~~~~~~~~~

Subtask #1
5.0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 5 ms 256 KB Output is correct

Subtask #2
0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 5 ms 256 KB Output is correct
4 Correct 5 ms 256 KB Output is correct
5 Incorrect 5 ms 256 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #3
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 5 ms 256 KB Output is correct
4 Correct 5 ms 256 KB Output is correct
5 Incorrect 5 ms 256 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #4
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 5 ms 256 KB Output is correct
4 Correct 5 ms 256 KB Output is correct
5 Incorrect 5 ms 256 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #5
0 / 52.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 256 KB Output is correct
2 Correct 5 ms 256 KB Output is correct
3 Correct 5 ms 256 KB Output is correct
4 Correct 5 ms 256 KB Output is correct
5 Incorrect 5 ms 256 KB Output isn't correct
6 Halted 0 ms 0 KB -