Lennot

input/code.cpp: In function 'int main()':
input/code.cpp:38:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for (int i = 0; i < v[s].size(); i++) {
                           ^
input/code.cpp:17:10: warning: variable 't' set but not used [-Wunused-but-set-variable]
     bool t[n + 1];
          ^

#include <iostream>
#include <algorithm>
#include <queue>
#include <stack>
#include <string>
#define INF 999999999999999999
#define ll long long
using namespace std;

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

    vector<pair<int, ll>> v[n + 1];
    priority_queue<pair<ll, pair<int, int>>> q;
    bool t[n + 1];
    ll e[n + 1];

    for (int i = 0; i < m; i++) {
        int a, b;
        ll c;
        cin>>a>>b>>c;
        v[a].push_back(make_pair(b, c));
    }

    for (int i = 1; i <= n; i++) {e[i] = INF; t[i] = false; }
    e[1] = 0;
    q.push(make_pair(0, make_pair(1, 1)));
    while (!q.empty()) {
        ll x = -q.top().first;
        int s = q.top().second.first;
        int l = q.top().second.second;
        //cout<<x<<" "<<s<<" "<<l<<endl;
        q.pop();
        //if (t[s]) continue;
        t[s] = true;
        for (int i = 0; i < v[s].size(); i++) {
            int u = v[s][i].first;
            if (l % 2 == 1) {
                if (x + v[s][i].second < e[u]) {
                    e[u] = x + v[s][i].second;
                    q.push(make_pair(-e[u], make_pair(u, l + 1)));
                }
            } else {
                if (x < e[u]) {
                    e[u] = x;
                    q.push(make_pair(-e[u], make_pair(u, l + 1)));
                }
            }
        }
    }

    cout<<e[n]<<endl;

    return 0;
}

Test 1

Group: 1

Verdict: WRONG ANSWER

Test 2

Group: 1

Verdict: ACCEPTED

Test 3

Group: 1

Verdict: ACCEPTED

Test 4

Group: 1

Verdict: ACCEPTED

Test 5

Group: 1

Verdict: ACCEPTED

Test 6

Group: 2

Verdict: WRONG ANSWER

Test 7

Group: 2

Verdict: WRONG ANSWER

Test 8

Group: 2

Verdict: WRONG ANSWER

Test 9

Group: 2

Verdict: WRONG ANSWER

Test 10

Group: 2

Verdict: WRONG ANSWER

Test 11

Group: 3

Verdict: WRONG ANSWER

Test 12

Group: 3

Verdict: WRONG ANSWER

Test 13

Group: 3

Verdict: WRONG ANSWER

Test 14

Group: 3

Verdict: WRONG ANSWER

Test 15

Group: 3

Verdict: ACCEPTED

Test 16

Group: 3

Verdict: ACCEPTED

Test 17

Group: 3

Verdict: WRONG ANSWER