Compilare: main.cpp: In function 'int main()': main.cpp:29:25: warning: unused variable 'jmax' [-Wunused-variable] int imax = INT_MIN, jmax = INT_MIN , kmax = INT_MIN,isol,jsol,ksol; ^~~~ main.cpp:13:34: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("split.in","r",stdin); ^ main.cpp:14:36: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("split.out","w",stdout); ^ main.cpp:16:19: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&n); ^ main.cpp:20:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&v[i]); ^ main.cpp:29:67: warning: 'ksol' may be used uninitialized in this function [-Wmaybe-uninitialized] int imax = INT_MIN, jmax = INT_MIN , kmax = INT_MIN,isol,jsol,ksol; ^~~~ main.cpp:29:62: warning: 'jsol' may be used uninitialized in this function [-Wmaybe-uninitialized] int imax = INT_MIN, jmax = INT_MIN , kmax = INT_MIN,isol,jsol,ksol; ^~~~ main.cpp:81:22: warning: 'isol' may be used uninitialized in this function [-Wmaybe-uninitialized] for(int i = isol+1 ; i <= jsol ; i++) ^