Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:7:5: error: ‘f’ was not declared in this scope f = fopen("pufu.in","r"); ^ user.cpp:5:13: warning: unused variable ‘i’ [-Wunused-variable] int t,n,i,s,sa=0,ca=0,ci=0,r; ^ user.cpp:5:32: warning: unused variable ‘r’ [-Wunused-variable] int t,n,i,s,sa=0,ca=0,ci=0,r; ^ user.cpp:20:1: error: expected ‘}’ at end of input } ^