foo.cc: In function 'int main()':
foo.cc:68:6: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
 scanf("%d%d%d", &n, &a, &b);
 ~~~~~^~~~~~~~~~~~~~~~~~~~~~
foo.cc:70:40: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
 scanf("%d%d", &d[i].se.fi, &d[i].se.se), d[i].fi = d[i].se.fi * d[i].se.se;
                                        ^

正在同步测试数据，请稍后
[Hydro](https://hydro.ac)提供评测服务