Compilare: main.cpp: In function 'void suma(int*, int*, int&, int&)': main.cpp:26:9: warning: unused variable 'm' [-Wunused-variable] int m=l1, n=l2; ^ main.cpp:26:15: warning: unused variable 'n' [-Wunused-variable] int m=l1, n=l2; ^ main.cpp: In function 'int main()': main.cpp:105:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("patrate2.in", "r", stdin); ^ main.cpp:106:41: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("patrate2.out", "w", stdout); ^ main.cpp:108:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^