Compilare: main.cpp: In function 'int dijkstra(const std::pair<int, int>&)': main.cpp:35:10: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 35 | auto [ni,nj] = q.front(); q.pop(); | ^ main.cpp:73:1: warning: no return statement in function returning non-void [-Wreturn-type] 73 | } | ^ main.cpp: In function 'int main()': main.cpp:82:16: warning: suggest parentheses around '+' inside '>>' [-Wparentheses] 82 | cin >> a[i]+1; | ~~~~^~ main.cpp:98:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 98 | for (auto &[i,j] : portals) | ^ main.cpp:107:14: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17' 107 | for (auto &[i,j] : portals) { | ^ main.cpp: At global scope: main.cpp:6:21: warning: 'p' defined but not used [-Wunused-variable] 6 | static int n, m, t, p; | ^