Compilare: main.cpp: In function 'int solve(int, int)': main.cpp:44:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i = 0; i < calculat.size(); i++){ ~~^~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:131:25: warning: 'mx' may be used uninitialized in this function [-Wmaybe-uninitialized] fout << solve(mn, mx); ^ main.cpp:131:25: warning: 'mn' may be used uninitialized in this function [-Wmaybe-uninitialized]