oj.uz

Submission #7414

# Submission time Handle Problem Language Result Execution time Memory
7414 2014-08-05T04:33:46 Z gs13068 탐사 (KOI13_probe) C++
19 / 19
 2 ms 424 KB 
#include<cstdio>

int a[41][41];

int main()
{
  int x,y,r;
  int i,j,k,n,m;
  scanf("%d%d",&n,&m);
  for(i=0;i<=n;i++)for(j=0;j<=n;j++)if(i!=j)a[i][j]=1e9;
  for(i=0;i<n;i++)
  {
    a[i][i+1]=1;
    a[i+1][i]=0;
  }
  for(i=0;i<m;i++)
  {
    scanf("%d%d%d",&x,&y,&r);
    if(a[x-1][y]>r)a[x-1][y]=r;
    if(a[y][x-1]>-r)a[y][x-1]=-r;
  }
  for(k=0;k<=n;k++)for(i=0;i<=n;i++)for(j=0;j<=n;j++)if(a[i][j]>a[i][k]+a[k][j])a[i][j]=a[i][k]+a[k][j];
  for(k=0;k<=n;k++)if(a[k][k]<0)
  {
    puts("NONE");
    return 0;
  }
  for(i=1;i<=n;i++)putchar(a[0][i]-a[0][i-1]?'#':'-');
}

Compilation message

probe.cpp: In function 'int main()':
probe.cpp:9:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d",&n,&m);
   ~~~~~^~~~~~~~~~~~~~
probe.cpp:18:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d%d",&x,&y,&r);
     ~~~~~^~~~~~~~~~~~~~~~~~~

Subtask #1
2.47 / 2.47

# 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 348 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 308 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 2 ms 252 KB Output is correct

Subtask #2
2.09 / 2.09

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 348 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 348 KB Output is correct
5 Correct 2 ms 256 KB Output is correct

Subtask #3
1.33 / 1.33

# Verdict Execution time Memory Grader output
1 Correct 2 ms 348 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 256 KB Output is correct

Subtask #4
5.13 / 5.13

# Verdict Execution time Memory Grader output
1 Correct 2 ms 348 KB Output is correct
2 Correct 2 ms 424 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 256 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 256 KB Output is correct

Subtask #5
3.61 / 3.61

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 348 KB Output is correct
4 Correct 2 ms 256 KB Output is correct

Subtask #6
4.37 / 4.37

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 252 KB Output is correct
3 Correct 2 ms 256 KB Output is correct
4 Correct 2 ms 348 KB Output is correct