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Submission #57438

# Submission time Handle Problem Language Result Execution time Memory
57438 2018-07-15T03:28:32 Z chungdahm2014 None (KOI17_line) C++
7 / 100
 100 ms 620 KB 
#include <bits/stdc++.h>

using namespace std;

int n,m;
int arr[10];
int x[50],y[50];

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{

        /// 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;

        // 결과

        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: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:17:14: 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 376 KB Output is correct
2 Correct 2 ms 488 KB Output is correct
3 Correct 2 ms 488 KB Output is correct
4 Correct 2 ms 488 KB Output is correct
5 Correct 2 ms 512 KB Output is correct
6 Correct 16 ms 512 KB Output is correct
7 Correct 10 ms 528 KB Output is correct
8 Correct 9 ms 528 KB Output is correct
9 Correct 8 ms 528 KB Output is correct
10 Correct 100 ms 620 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 488 KB Output is correct
3 Correct 2 ms 488 KB Output is correct
4 Correct 2 ms 488 KB Output is correct
5 Correct 2 ms 512 KB Output is correct
6 Correct 16 ms 512 KB Output is correct
7 Correct 10 ms 528 KB Output is correct
8 Correct 9 ms 528 KB Output is correct
9 Correct 8 ms 528 KB Output is correct
10 Correct 100 ms 620 KB Output is correct
11 Incorrect 2 ms 620 KB Output isn't correct
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 488 KB Output is correct
3 Correct 2 ms 488 KB Output is correct
4 Correct 2 ms 488 KB Output is correct
5 Correct 2 ms 512 KB Output is correct
6 Correct 16 ms 512 KB Output is correct
7 Correct 10 ms 528 KB Output is correct
8 Correct 9 ms 528 KB Output is correct
9 Correct 8 ms 528 KB Output is correct
10 Correct 100 ms 620 KB Output is correct
11 Incorrect 2 ms 620 KB Output isn't correct
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 488 KB Output is correct
3 Correct 2 ms 488 KB Output is correct
4 Correct 2 ms 488 KB Output is correct
5 Correct 2 ms 512 KB Output is correct
6 Correct 16 ms 512 KB Output is correct
7 Correct 10 ms 528 KB Output is correct
8 Correct 9 ms 528 KB Output is correct
9 Correct 8 ms 528 KB Output is correct
10 Correct 100 ms 620 KB Output is correct
11 Incorrect 2 ms 620 KB Output isn't correct
12 Halted 0 ms 0 KB -