Compilare: main.cpp: In function 'void solveInput()': main.cpp:29:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0, j; i<=temp.size(); ++i) ~^~~~~~~~~~~~~ main.cpp:30:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=0; j<=temp.size(); ++j) ~^~~~~~~~~~~~~ main.cpp:33:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (int i=0; i<temp.size(); ++i) ~^~~~~~~~~~~~ main.cpp:37:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=i+1; j<=temp.size(); ++j) ~^~~~~~~~~~~~~