Compilare: main.cpp: In function 'int main()': main.cpp:57:26: warning: right operand of comma operator has no effect [-Wunused-value] delete[] sir1, sir2, subsir; ^~~~~~ main.cpp:57:32: warning: right operand of comma operator has no effect [-Wunused-value] delete[] sir1, sir2, subsir; ^ main.cpp:9:35: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(input, "%d %d", &n, &m); ^