Compilare: main.cpp: In function 'void dijkstra(int, const Graph&, std::vector<int>&)': main.cpp:21:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 21 | auto [d, from] = pq.top(); d = -d; | ^ main.cpp: In function 'int main()': main.cpp:57:57: warning: suggest parentheses around '+' inside '<<' [-Wparentheses] 57 | vector <vector <int>> dp(1 + k, vector <int>(1 << k + 1, INF)); | ~~^~~ main.cpp:61:39: warning: suggest parentheses around '+' inside '<<' [-Wparentheses] 61 | for (int mask = 3; mask < (1 << k + 1); mask += 2) { | ~~^~~ main.cpp:76:35: warning: suggest parentheses around '+' inside '<<' [-Wparentheses] 76 | dbg(i); dbg(dp[i][(1 << k + 1) - 1]); | ~~^~~ main.cpp:2:37: note: in definition of macro 'dbg' 2 | #define dbg(x) cerr << #x << ' ' << x << '\n' | ^ main.cpp:77:38: warning: suggest parentheses around '+' inside '<<' [-Wparentheses] 77 | ans = min(ans, dp[i][(1 << k + 1) - 1] + distances[i][n]); | ~~^~~