Compilare: main.cpp: In function 'int main()': main.cpp:22:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (size_t i = 0; i < linie; i++) ~~^~~~~~~ main.cpp:24:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (size_t j = 0; j < coloana; j++) ~~^~~~~~~~~ main.cpp:30:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (size_t i = 0; i < linie; i++) ~~^~~~~~~ main.cpp:34:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (size_t j = 1; j < coloana; j++) ~~^~~~~~~~~ main.cpp:48:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (size_t i = 0; i < linie; i++) ~~^~~~~~~ main.cpp:50:24: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (size_t j = i; j < linie; j++) ~~^~~~~~~