Eroare de compilare: user.cpp:7:49: error: redefinition of ‘int i’ int n, a[nmax], P[nmax], prev[nmax], i, j, len, i, max, imax; ^ user.cpp:7:38: error: ‘int i’ previously declared here int n, a[nmax], P[nmax], prev[nmax], i, j, len, i, max, imax; ^ user.cpp: In function ‘int main()’: user.cpp:25:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d\n", &n); ^ user.cpp:27:28: warning: ignoring return value of ‘char* fgets(char*, int, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] fgets(string, size, in); ^