Compilare: main.cpp: In function 'void Solve1(int, int)': main.cpp:46:16: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(i = 0; i < v[x].size(); i++) { ~~^~~~~~~~~~~~~ main.cpp:47:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(; j < v[y].size() && v[x][i] >= v[y][j]; j++) ~~^~~~~~~~~~~~~ main.cpp:49:10: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] if(j < v[y].size()) ~~^~~~~~~~~~~~~