Compilare: main.cpp: In function 'int mod(int, int)': main.cpp:9:22: warning: unused variable 'j' [-Wunused-variable] int sume[1005],i,j; ^ main.cpp:14:9: warning: variable 'l' set but not used [-Wunused-but-set-variable] int l=0; ^ main.cpp: In function 'int main()': main.cpp:64:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("parcele1.in","r",stdin); ^ main.cpp:65:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("parcele1.out","w",stdout); ^ main.cpp:67:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d",&m,&n,&k); ^ main.cpp:70:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&v[i][j]); ^