Compilare: main.cpp: In function 'int main()': main.cpp:6:26: warning: unused variable 'sj' [-Wunused-variable] int n,i,j,nn,maxim,minim,sj,maximum,si,maximumk,m,ei,ej,ek,sk; ^~ main.cpp:7:30: 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:8:32: 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:69:27: warning: 'ek' may be used uninitialized in this function [-Wmaybe-uninitialized] cout<<ei<<" "<<ej<<" "<<ek; ^ main.cpp:69:20: warning: 'ej' may be used uninitialized in this function [-Wmaybe-uninitialized] cout<<ei<<" "<<ej<<" "<<ek; ^~~ main.cpp:69:11: warning: 'ei' may be used uninitialized in this function [-Wmaybe-uninitialized] cout<<ei<<" "<<ej<<" "<<ek; ^~~