Compilare: main.cpp: In function 'void topSort()': main.cpp:89:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (llg i=0; i<circleArr.size() + rectangleArr.size(); ++i) ~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'void solveInput()': main.cpp:109:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (llg i=0, j; i<circleArr.size(); ++i) ~^~~~~~~~~~~~~~~~~ main.cpp:110:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=0; j<rectangleArr.size(); ++j) ~^~~~~~~~~~~~~~~~~~~~ main.cpp:116:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (llg i=0, j; i<circleArr.size(); ++i) ~^~~~~~~~~~~~~~~~~ main.cpp:117:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=0; j<circleArr.size(); ++j) if (i != j) ~^~~~~~~~~~~~~~~~~ main.cpp:121:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (llg i=0, j; i<rectangleArr.size(); ++i) ~^~~~~~~~~~~~~~~~~~~~ main.cpp:122:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (j=0; j<rectangleArr.size(); ++j) if (i != j) ~^~~~~~~~~~~~~~~~~~~~