Compilare: main.cpp: In function 'int main()': main.cpp:26:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (size_t i = 1; i <= t; i++) ~~^~~~ main.cpp:44:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (size_t i = 1; i <= t; i++) ~~^~~~ main.cpp:50:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for (size_t i = 1; i <= t; i++) ~~^~~~