Submission #1070606


Source Code Expand

#include <bits/stdc++.h>
const int inf = 1e9;
using namespace std;
int di[1010][1010];

struct DATE{
  int left;
  int right;
  int len;
}date[1010];

int main(){
  int n,m,a,b,c;
  scanf("%d%d",&n,&m);
  for(int i=1;i<=n;i++){
    for(int j=1;j<=n;j++){
      if(i==j)
        di[i][j]=0;
      else {
        di[i][j]=inf;
        di[j][i]=inf;
      }
    }
  }
  for(int i=0;i<m;i++){
    scanf("%d%d%d",&date[i].left,&date[i].right,&date[i].len);
    di[date[i].left][date[i].right]=date[i].len;
    di[date[i].left][date[i].right]=date[i].len;
  }
  for(int i=1;i<=n;i++){
    for(int j=1;j<=n;j++){
      for(int k=1;k<=n;k++){
        di[j][k]=min(di[j][k],di[i][j]+di[i][k]);
      }
    }
  }
  int ans=m;
  for(int i=0;i<m;i++){
    int kk=0;
    a=date[i].left;b=date[i].right;c=date[i].len;
    for(int j=1;j<=n;j++){
      if(di[j][a]+c==di[j][b])
        kk=1;
    }
    if(kk)
      ans--;
  }
  cout<<ans<<endl;
  return 0;
}

Submission Info

Submission Time
Task D - Candidates of No Shortest Paths
User vjudge1
Language C++14 (GCC 5.4.1)
Score 0
Code Size 942 Byte
Status WA
Exec Time 5 ms
Memory 640 KB

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:14:22: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d",&n,&m);
                      ^
./Main.cpp:26:62: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d%d",&date[i].left,&date[i].right,&date[i].len);
                                                              ^

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 400
Status
AC × 2
AC × 17
WA × 11
Set Name Test Cases
Sample sample_01.txt, sample_02.txt
All subtask_1_01.txt, subtask_1_02.txt, subtask_1_03.txt, subtask_1_04.txt, subtask_1_05.txt, subtask_1_06.txt, subtask_1_07.txt, subtask_1_08.txt, subtask_1_09.txt, subtask_1_10.txt, subtask_1_11.txt, subtask_1_12.txt, subtask_1_13.txt, subtask_1_14.txt, subtask_1_15.txt, subtask_1_16.txt, subtask_1_17.txt, subtask_1_18.txt, subtask_1_19.txt, subtask_1_20.txt, subtask_1_21.txt, subtask_1_22.txt, subtask_1_23.txt, subtask_1_24.txt, subtask_1_25.txt, subtask_1_26.txt, subtask_1_27.txt, subtask_1_28.txt
Case Name Status Exec Time Memory
sample_01.txt AC 3 ms 256 KB
sample_02.txt AC 2 ms 256 KB
subtask_1_01.txt AC 3 ms 256 KB
subtask_1_02.txt AC 3 ms 384 KB
subtask_1_03.txt AC 4 ms 640 KB
subtask_1_04.txt AC 4 ms 640 KB
subtask_1_05.txt WA 4 ms 640 KB
subtask_1_06.txt WA 3 ms 384 KB
subtask_1_07.txt AC 3 ms 512 KB
subtask_1_08.txt AC 4 ms 640 KB
subtask_1_09.txt AC 4 ms 640 KB
subtask_1_10.txt AC 4 ms 640 KB
subtask_1_11.txt AC 3 ms 384 KB
subtask_1_12.txt AC 3 ms 512 KB
subtask_1_13.txt AC 4 ms 640 KB
subtask_1_14.txt WA 4 ms 640 KB
subtask_1_15.txt AC 4 ms 640 KB
subtask_1_16.txt AC 3 ms 256 KB
subtask_1_17.txt AC 3 ms 384 KB
subtask_1_18.txt AC 3 ms 384 KB
subtask_1_19.txt AC 3 ms 384 KB
subtask_1_20.txt WA 3 ms 384 KB
subtask_1_21.txt WA 3 ms 256 KB
subtask_1_22.txt WA 3 ms 512 KB
subtask_1_23.txt WA 3 ms 384 KB
subtask_1_24.txt WA 4 ms 640 KB
subtask_1_25.txt WA 3 ms 512 KB
subtask_1_26.txt WA 4 ms 512 KB
subtask_1_27.txt WA 5 ms 640 KB
subtask_1_28.txt AC 5 ms 640 KB