Compilare: main.cpp: In function 'int dfs(int, int)': main.cpp:37:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare] 37 | for(int& i=ptr[x];i<adj[x].size();i++){ | ~^~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:73:21: warning: suggest parentheses around assignment used as truth value [-Wparentheses] 73 | while(pushed=dfs(1,inf)){ | ~~~~~~^~~~~~~~~~~