Compilare: main.cpp: In function 'int read()': main.cpp:29:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int k=0; k<strlen(cuv); k++) ~^~~~~~~~~~~~ main.cpp:36:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ main.cpp: In function 'int afisare_mat(int (*)[63])': main.cpp:47:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ main.cpp: In function 'int cerinta_1()': main.cpp:54:27: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int k=0; k<strlen(cuv); k++) ~^~~~~~~~~~~~ main.cpp: In function 'int m_0(int (*)[63])': main.cpp:84:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ main.cpp: In function 'int copiere()': main.cpp:90:1: warning: no return statement in function returning non-void [-Wreturn-type] } ^ main.cpp: In function 'int lee(int, int)': main.cpp:105:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int k=0; k<strlen(cuv); k++){ ~^~~~~~~~~~~~