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input/code.cpp: In function 'int main()':
input/code.cpp:14:19: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare]
   14 |     for(int i=0; i<m; i++){
      |                  ~^~
input/code.cpp:22:19: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare]
   22 |     for(int i=1; i<=n; i++){
      |                  ~^~~
input/code.cpp:23:23: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare]
   23 |         for(int j=1; j<=n; j++){
      |                      ~^~~
input/code.cpp:30:19: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare]
   30 |     for(int k=1; k<=n; k++){
      |                  ~^~~
input/code.cpp:31:23: warning: comparison of integer expressions of different signedness: 'int' and 'unsigned int' [-Wsign-compare]
   31 |         for(int...

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef unsigned long long ull;

ll adj[501][501];
ll d[501][501];
// map<ll, vector<pair<ll,ll>>> adj;

int main(){
    unsigned n, m;
    cin >> n >> m;

    for(int i=0; i<m; i++){
        ll a, b, c;
        cin >> a >> b >> c;
        adj[a][b] = c;
        adj[b][a] = c;
        // adj[b][a] = c;
    }

    for(int i=1; i<=n; i++){
        for(int j=1; j<=n; j++){
            if(i == j) d[i][j] = LLONG_MAX;
            else if(adj[i][j]) d[i][j] = adj[i][j];
            else d[i][j] = 0;
        }
    }

    for(int k=1; k<=n; k++){
        for(int i=1; i<=n; i++){
            for(int j=1; j<=n; j++){
                d[i][j] = max(d[i][j], min(d[i][k], d[k][j]));
            }
        }
    }

    cout << d[1][n] << endl;
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: WRONG ANSWER

Test 3

Verdict: WRONG ANSWER

Test 4

Verdict: WRONG ANSWER

Test 5

Verdict: WRONG ANSWER

Test 6

Verdict: WRONG ANSWER

Test 7

Verdict: WRONG ANSWER

Test 8

Verdict: ACCEPTED

Test 9

Verdict: WRONG ANSWER

Test 10

Verdict: WRONG ANSWER

Test 11

Verdict: WRONG ANSWER

Test 12

Verdict: WRONG ANSWER