oj.uz

Submission #57439

# Submission time Handle Problem Language Result Execution time Memory
57439 2018-07-15T03:28:57 Z pos13050 None (KOI17_line) C++
7 / 100
 1000 ms 544 KB 
#include <bits/stdc++.h>
using namespace std;
int n,m;
int arr[10];
int x[40],y[40];
int main()
{
    int i,j;
    scanf("%d %d",&n,&m);
    for(i=0;i<m;i++)
    {
        scanf("%d %d",&x[i],&y[i]);
    }
    for(i=0;i<n;i++)
    {
        arr[i]=i+1;
    }
    do
    {
        bool good = true;
        for(i=0;i<m;i++)
        {
            if(arr[x[i]-1]<arr[y[i]-1]) good=false;
        }
        int cnt=0;
        for(i=0;i<n;i++)
        {
            for(j=i+1;j<n;j++)
            {
                if(arr[i]>arr[j]) cnt++;
            }
        }
        if(cnt!=m) good=false;
        if(good)
        {
            for(i=0;i<n;i++)
            {
                printf("%d ",arr[i]);
            }
            return 0;
        }
    }
    while(next_permutation(arr,arr+n));
    printf("-1");
    return 0;
}

Compilation message

line.cpp: In function 'int main()':
line.cpp:9:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d",&n,&m);
     ~~~~~^~~~~~~~~~~~~~~
line.cpp:12:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d %d",&x[i],&y[i]);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 3 ms 484 KB Output is correct
3 Correct 2 ms 536 KB Output is correct
4 Correct 3 ms 536 KB Output is correct
5 Correct 2 ms 536 KB Output is correct
6 Correct 17 ms 536 KB Output is correct
7 Correct 9 ms 536 KB Output is correct
8 Correct 8 ms 536 KB Output is correct
9 Correct 8 ms 536 KB Output is correct
10 Correct 84 ms 544 KB Output is correct

Subtask #2
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 3 ms 484 KB Output is correct
3 Correct 2 ms 536 KB Output is correct
4 Correct 3 ms 536 KB Output is correct
5 Correct 2 ms 536 KB Output is correct
6 Correct 17 ms 536 KB Output is correct
7 Correct 9 ms 536 KB Output is correct
8 Correct 8 ms 536 KB Output is correct
9 Correct 8 ms 536 KB Output is correct
10 Correct 84 ms 544 KB Output is correct
11 Execution timed out 1076 ms 544 KB Time limit exceeded
12 Halted 0 ms 0 KB -

Subtask #3
0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 3 ms 484 KB Output is correct
3 Correct 2 ms 536 KB Output is correct
4 Correct 3 ms 536 KB Output is correct
5 Correct 2 ms 536 KB Output is correct
6 Correct 17 ms 536 KB Output is correct
7 Correct 9 ms 536 KB Output is correct
8 Correct 8 ms 536 KB Output is correct
9 Correct 8 ms 536 KB Output is correct
10 Correct 84 ms 544 KB Output is correct
11 Execution timed out 1076 ms 544 KB Time limit exceeded
12 Halted 0 ms 0 KB -

Subtask #4
0 / 42.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 3 ms 484 KB Output is correct
3 Correct 2 ms 536 KB Output is correct
4 Correct 3 ms 536 KB Output is correct
5 Correct 2 ms 536 KB Output is correct
6 Correct 17 ms 536 KB Output is correct
7 Correct 9 ms 536 KB Output is correct
8 Correct 8 ms 536 KB Output is correct
9 Correct 8 ms 536 KB Output is correct
10 Correct 84 ms 544 KB Output is correct
11 Execution timed out 1076 ms 544 KB Time limit exceeded
12 Halted 0 ms 0 KB -