#include using namespace std; #define FOR(i,a,b) for(int i=(a);i<(b);++i) #define REP(i,n) FOR(i,0,n) #define ALL(v) begin(v),end(v) template inline bool chmax(A & a, const B & b) { if (a < b) { a = b; return true; } return false; } template inline bool chmin(A & a, const B & b) { if (a > b) { a = b; return true; } return false; } using ll = long long; using pii = pair; constexpr ll INF = 1ll<<30; constexpr ll longINF = 1ll<<60; constexpr ll MOD = 1000000007; constexpr bool debug = false; //---------------------------------// int main() { int N, M; cin >> N >> M; vector>> g(N); vector A(N, vector(N, longINF)); REP(i, M) { int s, t; ll d; scanf("%d %d %lld", &s, &t, &d); chmin(A[s - 1][t - 1], d); } REP(i, N) REP(j, N) if (A[i][j] != longINF) g[i].emplace_back(j, A[i][j]); REP(i, N) { vector dist(N, longINF); using P = pair; priority_queue, greater

> pq; pq.emplace(0, i); dist[i] = 0; while (!pq.empty()) { auto [curd, u] = pq.top(); pq.pop(); if (dist[u] < curd) continue; for (auto [v, d] : g[u]) if (chmin(dist[v], curd + d)) pq.emplace(curd + d, v); } ll ans = 0; REP(j, N) if (i != j) ans += dist[j] == longINF ? 0 : dist[j]; cout << ans << endl; } }