Compilare: main.cpp: In function 'int main()': main.cpp:63:37: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 63 | for (int dircnt = 0; dircnt < dirs.size(); dircnt++) { | ~~~~~~~^~~~~~~~~~~~~ main.cpp:70:48: warning: suggest parentheses around '&&' within '||' [-Wparentheses] 70 | nwone[start[0]][start[1]] == 1 && mat[nw[0]][nw[1]] <= k1 || main.cpp:71:48: warning: suggest parentheses around '&&' within '||' [-Wparentheses] 71 | nwtwo[start[0]][start[1]] == 1 && mat[nw[0]][nw[1]] >= k2) {