Compilare: main.cpp: In function 'int main()': main.cpp:43:12: warning: right operand of comma operator has no effect [-Wunused-value] 43 | f>>n,m,k; | ^ main.cpp:43:13: warning: right operand of comma operator has no effect [-Wunused-value] 43 | f>>n,m,k; | ^ main.cpp:47:18: warning: 'k' may be used uninitialized in this function [-Wmaybe-uninitialized] 47 | for(int i=0;i<k;i++){ | ~^~ main.cpp:55:18: warning: 'm' may be used uninitialized in this function [-Wmaybe-uninitialized] 55 | for(int i=0;i<m;i++){ | ~^~