Compilare: user.cpp: In function ‘int main()’: user.cpp:20:15: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘ll* {aka long long int*}’ [-Wformat=] scanf("%d",&s); ^ user.cpp:24:28: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘ll {aka long long int}’ [-Wformat=] if (y==s) { printf("%d",m); return 0; } else ^ user.cpp:18:30: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("taxe.in","r",stdin); ^ user.cpp:19:32: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("taxe.out","w",stdout); ^ user.cpp:20:16: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d",&s); ^