Submission #89074

#	Time	Username	Problem	Language	Result	Execution time	Memory
89074		beso123	Schools (IZhO13_school)	C++14	5 / 100	344 ms	7544 KiB

school

#include <bits/stdc++.h>
using namespace std;
int n,m,s;
struct xy{
    int x;
    int y;
    int z;
};
bool sort21(xy a,xy b){
    return a.x>b.x;
}
bool sort211(xy a,xy b){
    return a.y>b.y;
}
xy f[300001];
xy f1[300001];
int main(){
cin>>n>>m>>s;
for(int k=1;k<=n;k++){
    cin>>f[k].x>>f[k].y;
    f1[k].x=f[k].x;
    f1[k].y=f[k].y;
    f1[k].z=0;
    f[k].z=0;
}
int cnt=0,cnt1=0;
sort(f+1,f+n+1,sort21);

for(int k=1;k<=m;k++){
   cnt+=f[k].x;
   f[k].z=1;
}
sort(f+1,f+n+1,sort211);
int r=0;
for(int k=1;k<=n;k++){
    if(r<s){
            if(f[k].z!=1){
   cnt+=f[k].y;
   f[k].z=1;
   r++;
}
}
else break;

}
sort(f1+1,f1+n+1,sort211);

for(int k=1;k<=s;k++){
   cnt1+=f1[k].y;
   f1[k].z=1;
}
sort(f1+1,f1+n+1,sort21);
int r1=0;
for(int k=1;k<=n;k++){
    if(r1<m){
            if(f1[k].z!=1){
   cnt1+=f[k].x;
   f1[k].z=1;
   r1++;
}
}
else break;

}
cout<<max(cnt,cnt1);
       return 0;
}

• Subtask 1: 5 / 100