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Submission #57436

# Submission time Handle Problem Language Result Execution time Memory
57436 2018-07-15T03:27:27 Z praha0518 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; //1 2 3 4 . . . 9
    do
    {
        // 1

        bool  good = true;
        for(i=0;i<m;i++)
        {
            if(arr[x[i]-1]<arr[y[i]-1]) good = false;
        }

        // 2

        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;

        // result

        if(good)
        {
            for(i=0;i<n;i++) printf("%d ",arr[i]);
            printf("\n");
            return 0;
        }

    } while(next_permutation(arr,arr+n));

    printf("-1\n");
    return 0;
}

Compilation message

line.cpp: In function 'int main()':
line.cpp:13:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d",&n,&m);
     ~~~~~^~~~~~~~~~~~~~~
line.cpp:14:27: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(i=0;i<m;i++) scanf("%d %d",&x[i],&y[i]);
                      ~~~~~^~~~~~~~~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 544 KB Output is correct
4 Correct 2 ms 544 KB Output is correct
5 Correct 2 ms 544 KB Output is correct
6 Correct 15 ms 544 KB Output is correct
7 Correct 8 ms 544 KB Output is correct
8 Correct 8 ms 544 KB Output is correct
9 Correct 8 ms 544 KB Output is correct
10 Correct 73 ms 544 KB Output is correct

Subtask #2
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 544 KB Output is correct
4 Correct 2 ms 544 KB Output is correct
5 Correct 2 ms 544 KB Output is correct
6 Correct 15 ms 544 KB Output is correct
7 Correct 8 ms 544 KB Output is correct
8 Correct 8 ms 544 KB Output is correct
9 Correct 8 ms 544 KB Output is correct
10 Correct 73 ms 544 KB Output is correct
11 Execution timed out 1069 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 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 544 KB Output is correct
4 Correct 2 ms 544 KB Output is correct
5 Correct 2 ms 544 KB Output is correct
6 Correct 15 ms 544 KB Output is correct
7 Correct 8 ms 544 KB Output is correct
8 Correct 8 ms 544 KB Output is correct
9 Correct 8 ms 544 KB Output is correct
10 Correct 73 ms 544 KB Output is correct
11 Execution timed out 1069 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 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 544 KB Output is correct
4 Correct 2 ms 544 KB Output is correct
5 Correct 2 ms 544 KB Output is correct
6 Correct 15 ms 544 KB Output is correct
7 Correct 8 ms 544 KB Output is correct
8 Correct 8 ms 544 KB Output is correct
9 Correct 8 ms 544 KB Output is correct
10 Correct 73 ms 544 KB Output is correct
11 Execution timed out 1069 ms 544 KB Time limit exceeded
12 Halted 0 ms 0 KB -