Compilare: user.cpp: In function ‘int method(int, int, int, int)’: user.cpp:7:4: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(N==1) if(S-s >= old) return 1; ^ user.cpp: In function ‘int main()’: user.cpp:22:23: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d\n", &T); ^ user.cpp:25:31: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fi,"%d %d\n", &N, &S); ^