#include<bits/stdc++.h>
#define st first
#define nd second
#define pb push_back
#define ppb pop_back
#define umax(x,y) x=max(x,y)
#define umin(x,y) x=min(x,y)
#define ll long long
#define ii pair<int,int>
#define iii pair<ii,int>
#define iiii pair<ii,ii>
#define sz(x) ((int) x.size())
#define orta ((bas+son)>>1)
#define all(x) x.begin(),x.end()
#define dbgs(x) cerr<<(#x)<<" --> "<<(x)<<" "
#define dbg(x) cerr<<(#x)<<" --> "<<(x)<<endl;getchar()
#define pw(x) (1<<(x))
#define inf 2005000000
#define MOD 1000000007
#define N 300005
#define M 1000005
#define LOG 18
#define KOK 4000000
using namespace std;
int n,m,s,x,y,no,se,u[N];
ll ans;
priority_queue<ii> q1,q2;
int main() {
//freopen("input.txt","r",stdin);
scanf("%d %d %d",&n,&m,&s);
for(int i=1;i<=n;i++) {
scanf("%d %d",&x,&y);
ans+=x;
q1.push({y-x,i});
q2.push({-x,i});
}
while(no+se<n-m) {
while(sz(q1) && u[q1.top().nd]) q1.pop();
while(sz(q2) && u[q2.top().nd]) q2.pop();
if(!sz(q2) || no==n-m-s || (se<s && sz(q1) && q2.top().st<q1.top().st)) {
ans+=q1.top().st;
u[q1.top().nd]=1;
q1.pop();
se++;
}
else {
ans+=q2.top().st;
u[q2.top().nd]=1;
q2.pop();
no++;
}
}
printf("%lld",ans);
}
Compilation message
school.cpp: In function 'int main()':
school.cpp:34:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d %d %d",&n,&m,&s);
~~~~~^~~~~~~~~~~~~~~~~~~~~
school.cpp:38:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d %d",&x,&y);
~~~~~^~~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
256 KB |
Output is correct |
2 |
Correct |
2 ms |
500 KB |
Output is correct |
3 |
Correct |
2 ms |
508 KB |
Output is correct |
4 |
Incorrect |
2 ms |
528 KB |
Output isn't correct |
5 |
Incorrect |
2 ms |
528 KB |
Output isn't correct |
6 |
Incorrect |
2 ms |
528 KB |
Output isn't correct |
7 |
Incorrect |
4 ms |
532 KB |
Output isn't correct |
8 |
Correct |
3 ms |
584 KB |
Output is correct |
9 |
Incorrect |
4 ms |
584 KB |
Output isn't correct |
10 |
Incorrect |
4 ms |
712 KB |
Output isn't correct |
11 |
Incorrect |
4 ms |
712 KB |
Output isn't correct |
12 |
Incorrect |
4 ms |
712 KB |
Output isn't correct |
13 |
Incorrect |
14 ms |
1492 KB |
Output isn't correct |
14 |
Incorrect |
46 ms |
2292 KB |
Output isn't correct |
15 |
Incorrect |
99 ms |
3892 KB |
Output isn't correct |
16 |
Correct |
105 ms |
4268 KB |
Output is correct |
17 |
Incorrect |
146 ms |
5016 KB |
Output isn't correct |
18 |
Incorrect |
132 ms |
5500 KB |
Output isn't correct |
19 |
Incorrect |
143 ms |
5812 KB |
Output isn't correct |
20 |
Incorrect |
173 ms |
6984 KB |
Output isn't correct |