Submission #2547123
Source Code Expand
#include <iostream> using namespace std; int main() { int n,m;cin>>n>>m; int a[m],b[m]; for(int i=0;i<m;i++){ cin>>a[i]>>b[i]; a[i]--; b[i]--; } int ans=0; for(int i=0;i<m;i++){ int d[n][n]; for(int j=0;j<n;j++){ for(int k=0;k<n;k++){ d[j][k]=50; } } for(int j=0;j<m;j++){ d[a[j]][b[j]]=1; d[b[j]][a[j]]=1; } d[a[i]][b[i]]=50; d[b[i]][a[i]]=50; // for(int j=0;j<n;j++){ // for(int k=0;k<n;k++){ // cout<<' '; // cout<<d[j][k]; // } // cout<<endl; // } for(int k=0;k<n;k++){ for(int i2=0;i2<n;i2++){ for(int j2=0;j2<n;j2++){ if(d[i2][j2]>d[i2][k]+d[k][j2]){ d[i2][j2]=d[i2][k]+d[k][j2]; } } } } // for(int j=0;j<n;j++){ // for(int k=0;k<n;k++){ // cout<<' '; // cout<<d[j][k]; // } // cout<<endl; // } int flag=0; for(int j=0;j<n;j++){ for(int k=0;k<n;k++){ if(d[j][k]==50){ if(j!=k)flag=1; } } } if(flag)ans++; } cout<<ans<<endl; return 0; }
Submission Info
Submission Time | |
---|---|
Task | C - Bridge |
User | ator |
Language | C++14 (GCC 5.4.1) |
Score | 300 |
Code Size | 1040 Byte |
Status | AC |
Exec Time | 9 ms |
Memory | 256 KB |
Judge Result
Set Name | Sample | All | ||||
---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 300 / 300 | ||||
Status |
|
|
Set Name | Test Cases |
---|---|
Sample | sample_01.txt, sample_02.txt, sample_03.txt |
All | sample_01.txt, sample_02.txt, sample_03.txt, subtask_1_1.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_2.txt, subtask_1_3.txt, subtask_1_4.txt, subtask_1_5.txt, subtask_1_6.txt, subtask_1_7.txt, subtask_1_8.txt, subtask_1_9.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
sample_01.txt | AC | 1 ms | 256 KB |
sample_02.txt | AC | 1 ms | 256 KB |
sample_03.txt | AC | 1 ms | 256 KB |
subtask_1_1.txt | AC | 9 ms | 256 KB |
subtask_1_10.txt | AC | 1 ms | 256 KB |
subtask_1_11.txt | AC | 3 ms | 256 KB |
subtask_1_12.txt | AC | 2 ms | 256 KB |
subtask_1_13.txt | AC | 9 ms | 256 KB |
subtask_1_14.txt | AC | 9 ms | 256 KB |
subtask_1_15.txt | AC | 9 ms | 256 KB |
subtask_1_16.txt | AC | 9 ms | 256 KB |
subtask_1_17.txt | AC | 9 ms | 256 KB |
subtask_1_2.txt | AC | 9 ms | 256 KB |
subtask_1_3.txt | AC | 2 ms | 256 KB |
subtask_1_4.txt | AC | 3 ms | 256 KB |
subtask_1_5.txt | AC | 3 ms | 256 KB |
subtask_1_6.txt | AC | 4 ms | 256 KB |
subtask_1_7.txt | AC | 7 ms | 256 KB |
subtask_1_8.txt | AC | 3 ms | 256 KB |
subtask_1_9.txt | AC | 1 ms | 256 KB |