Compilare: user.cpp: In function ‘void rf()’: user.cpp:17:23: warning: suggest explicit braces to avoid ambiguous ‘else’ [-Wparentheses] if(i==s && j == t) ^ user.cpp: In function ‘int main()’: user.cpp:34:16: warning: unused variable ‘fout’ [-Wunused-variable] FILE *fin,*fout; ^ user.cpp:36:43: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d%d%d", &n, &m, &cash ); ^ user.cpp:37:34: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d%d", &s, &t ); ^ user.cpp:40:39: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d", &money[i] ); ^ user.cpp:48:44: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d%d%d", &a, &b, &c ); ^