Submission #7471186


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#include <bits/stdc++.h>
#define rep(i,n) for(int i=0;i<(int)(n);i++)
#define rrep(i,n) for(int i=(int)(n-1);i>=0;i--)
#define FOR(i,n,m) for(int i=n;i<=(int)(m);i++)
#define RFOR(i,n,m) for(int i=(int)(n);i>=m;i--)
#define all(x) (x).begin(),(x).end()
#define sz(x) int(x.size())
typedef long long ll;
const int INF = 1e9;
const int MOD = 1e9+7;
const ll LINF = 1e18;
using namespace std;
int main(){
    int n,m;
    cin>>n>>m;
    
    vector<vector<int>> d(n,vector<int>(n,INF));
    rep(i,n) d[i][i]=0;
    rep(i,m){
        int a,b,t;
        cin>>a>>b>>t;
        a--;b--;
        d[a][b]=t;
        d[b][a]=t;
    }
    
    rep(k,n){
        rep(i,n){
            rep(j,n){
                d[i][j]=min(d[i][k]+d[k][j],d[i][j]);
            }
        }
    }
    
    int ans=INF;
    rep(i,n){
        int tmp=0;
        rep(j,n){
            if(d[i][j]!=INF) tmp=max(tmp,d[i][j]);
        }
        ans=min(ans,tmp);
    }
    cout<<ans<<endl;
}

Submission Info

Submission Time
Task D - バスと避けられない運命
User gyouzasushi
Language C++14 (GCC 5.4.1)
Score 100
Code Size 1002 Byte
Status
Exec Time 65 ms
Memory 640 KB

Test Cases

Set Name Score / Max Score Test Cases
All 100 / 100 sample_01.txt, sample_02.txt, sample_03.txt, test_01.txt, test_02.txt, test_03.txt, test_04.txt, test_05.txt, test_06.txt, test_07.txt, test_08.txt, test_09.txt, test_10.txt, test_11.txt, test_12.txt, test_13.txt, test_14.txt, test_15.txt, test_16.txt, test_17.txt, test_18.txt, test_19.txt, test_20.txt, test_21.txt, test_22.txt, test_23.txt, test_24.txt, test_25.txt, test_26.txt, test_27.txt, test_28.txt, test_29.txt, test_30.txt, test_31.txt, test_32.txt, test_33.txt, test_34.txt, test_35.txt, test_36.txt
Case Name Status Exec Time Memory
sample_01.txt 1 ms 256 KB
sample_02.txt 1 ms 256 KB
sample_03.txt 1 ms 256 KB
test_01.txt 1 ms 256 KB
test_02.txt 37 ms 640 KB
test_03.txt 65 ms 640 KB
test_04.txt 14 ms 384 KB
test_05.txt 23 ms 384 KB
test_06.txt 4 ms 256 KB
test_07.txt 49 ms 512 KB
test_08.txt 2 ms 256 KB
test_09.txt 17 ms 384 KB
test_10.txt 4 ms 256 KB
test_11.txt 4 ms 256 KB
test_12.txt 22 ms 512 KB
test_13.txt 4 ms 256 KB
test_14.txt 6 ms 256 KB
test_15.txt 46 ms 512 KB
test_16.txt 6 ms 256 KB
test_17.txt 19 ms 384 KB
test_18.txt 20 ms 512 KB
test_19.txt 7 ms 256 KB
test_20.txt 6 ms 256 KB
test_21.txt 1 ms 256 KB
test_22.txt 9 ms 384 KB
test_23.txt 1 ms 256 KB
test_24.txt 38 ms 640 KB
test_25.txt 37 ms 640 KB
test_26.txt 9 ms 384 KB
test_27.txt 12 ms 384 KB
test_28.txt 37 ms 640 KB
test_29.txt 37 ms 640 KB
test_30.txt 3 ms 256 KB
test_31.txt 1 ms 256 KB
test_32.txt 38 ms 640 KB
test_33.txt 37 ms 640 KB
test_34.txt 2 ms 256 KB
test_35.txt 7 ms 384 KB
test_36.txt 37 ms 640 KB