foo.cc: In function 'int main()':
foo.cc:46:6: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
 scanf("%d%d", &N, &C);
 ~~~~~^~~~~~~~~~~~~~~~
foo.cc:47:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
 for(int i = 1; i <= N; i++) scanf("%d", &o[i].d);
                             ~~~~~^~~~~~~~~~~~~~~
foo.cc:48:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
 for(int i = 1; i <= N; i++) scanf("%d", &o[i].v);
                             ~~~~~^~~~~~~~~~~~~~~
foo.cc:49:34: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
 for(int i = 1; i <= N; i++) scanf("%d", &o[i].p);
                             ~~~~~^~~~~~~~~~~~~~~

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