Compilare: main.cpp: In function 'int main()': main.cpp:105:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(ct = j; ct < strlen(numar) && numar[ct] != '('; ct++){ ~~~^~~~~~~~~~~~~~~ main.cpp:116:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int ct = j + 1; ct < strlen(numar) - 1; ct++){ ~~~^~~~~~~~~~~~~~~~~~~ main.cpp:132:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(ct = 0; ct < strlen(numar) && numar[ct] != ','; ct++); ~~~^~~~~~~~~~~~~~~ main.cpp:141:32: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(ct = 0; ct < strlen(numar) && numar[ct] != '('; ct++); ~~~^~~~~~~~~~~~~~~ main.cpp:143:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int z = 1; z <= strlen(numar) - 2 - ct; z++){ ~~^~~~~~~~~~~~~~~~~~~~~~~~~ main.cpp:148:34: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(ct2 = 0; ct2 < strlen(numar) && numar[ct2] != ','; ct2++); ~~~~^~~~~~~~~~~~~~~ main.cpp:167:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int j = 0; j < vectorPrimi[i].size(); j++){ ~~^~~~~~~~~~~~~~~~~~~~~~~