Compilare: user.cpp: In function ‘int main()’: user.cpp:34:25: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘long long int*’ [-Wformat=] fscanf(fin, "%d", &n); ^ user.cpp:33:12: warning: unused variable ‘j’ [-Wunused-variable] int i, j; ^ user.cpp:34:26: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &n); ^ user.cpp:37:50: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &pct[i].x, &pct[i].y); ^