Compilare: user.cpp: In function ‘void Solve1(int)’: user.cpp:40:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0; i < v[x].size(); i++){ ~~^~~~~~~~~~~~~ user.cpp:41:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(j = i; j < v[x].size(); j++){ ~~^~~~~~~~~~~~~ user.cpp:47:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(j == (v[x].size() - 1)) zdr = N - v[x][j]; ~~^~~~~~~~~~~~~~~~~~~~ user.cpp: In function ‘int main()’: user.cpp:90:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(v[i].size() <= mlc) Solve1(i); ~~~~~~~~~~~~^~~~~~