Submission #47524

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
47524	2018-05-05 02:10:30	ngkan146	Schools (IZhO13_school)	C++11	100 / 100	192 ms	41936 KiB

school

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// khanh best
#include <bits/stdc++.h>
#define ll long long
using namespace std;
struct school{
   ll m, s, id;
   school(ll m=0,ll s=0,ll id=0): m(m), s(s), id(id) {}
};
ll N,M,S;
school a[300005];
ll sum;
bool cmp(school x,school y){
   return x.m - x.s < y.m - y.s;
}
struct cmpS{
   bool operator ()(school x,school y){
      return x.s > y.s;
   }
};
struct cmpM{
   bool operator ()(school x,school y){
      return x.m - x.s > y.m - y.s;
   }
};
struct cmpM2{
   bool operator ()(school x,school y){
      return x.m > y.m;
   }
};
priority_queue <school,vector<school>,cmpS> pqS;
 
 
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Compilation message (stderr)

school.cpp: In function 'int main()':
school.cpp:35:9: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    scanf("%lld %lld %lld",&N,&M,&S);
    ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
school.cpp:38:20: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
       scanf("%lld %lld",&a[i].m,&a[i].s),
       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
       sum += a[i].m,
       ~~~~~~~~~~~~~^~
       a[i].id = i;
       ~~~~~~~~~~~

• Subtask 1: 100 / 100