Compilare: main.cpp: In function 'int main()': main.cpp:9:23: warning: unused variable 'x' [-Wunused-variable] int n,m,i,j,i1,j1,x,y,maxx,con,l,c; ^ main.cpp:9:25: warning: unused variable 'y' [-Wunused-variable] int n,m,i,j,i1,j1,x,y,maxx,con,l,c; ^ main.cpp:9:32: warning: variable 'con' set but not used [-Wunused-but-set-variable] int n,m,i,j,i1,j1,x,y,maxx,con,l,c; ^~~ main.cpp:7:35: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("fadema.in","r",stdin); ^ main.cpp:8:37: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("fadema.out","w",stdout); ^ main.cpp:10:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d",&n,&m); ^ main.cpp:14:33: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&v[i][j]); ^