#include<bits/stdc++.h>
#define ll long long
#define pii pair<int,int>
#define pll pair<ll,ll>
#define f first
#define s second
#define pb push_back
#define all(x) x.begin(),x.end()
#define vi vector<int>
#define vvi vector<vi>
#define vp vector<pii>
using namespace std;
priority_queue<ll>q;
int main(){
ios_base::sync_with_stdio(0);cin.tie(0);
int n;cin>>n;
ll dp[n+1]={0};
for(int i=1,a,b;i<=n;i++){
cin>>a>>b;dp[i]=a-b+dp[i-1];
}ll res=0;
for(int i=1;i<n;i++){
if(dp[i]<0)res-=dp[i],dp[i]=0;
res+=dp[i];
q.push(dp[i]);
q.push(dp[i]);
q.pop();
}
while(!q.empty()){
res-=min(dp[n],q.top());q.pop();
}cout<<res;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
344 KB |
Output is correct |
3 |
Correct |
1 ms |
344 KB |
Output is correct |
4 |
Correct |
11 ms |
1756 KB |
Output is correct |
5 |
Correct |
24 ms |
2876 KB |
Output is correct |
6 |
Correct |
79 ms |
7748 KB |
Output is correct |
7 |
Correct |
105 ms |
17096 KB |
Output is correct |
8 |
Correct |
143 ms |
13516 KB |
Output is correct |
9 |
Correct |
115 ms |
13032 KB |
Output is correct |
10 |
Correct |
93 ms |
11044 KB |
Output is correct |
11 |
Correct |
96 ms |
11720 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
344 KB |
Output is correct |
3 |
Correct |
1 ms |
344 KB |
Output is correct |
4 |
Correct |
11 ms |
1756 KB |
Output is correct |
5 |
Correct |
24 ms |
2876 KB |
Output is correct |
6 |
Correct |
79 ms |
7748 KB |
Output is correct |
7 |
Correct |
105 ms |
17096 KB |
Output is correct |
8 |
Correct |
143 ms |
13516 KB |
Output is correct |
9 |
Correct |
115 ms |
13032 KB |
Output is correct |
10 |
Correct |
93 ms |
11044 KB |
Output is correct |
11 |
Correct |
96 ms |
11720 KB |
Output is correct |
12 |
Correct |
36 ms |
4048 KB |
Output is correct |
13 |
Correct |
92 ms |
11528 KB |
Output is correct |
14 |
Correct |
112 ms |
17264 KB |
Output is correct |
15 |
Correct |
142 ms |
15080 KB |
Output is correct |
16 |
Correct |
148 ms |
13256 KB |
Output is correct |
17 |
Correct |
86 ms |
11720 KB |
Output is correct |
18 |
Correct |
1 ms |
344 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
344 KB |
Output is correct |
3 |
Correct |
1 ms |
344 KB |
Output is correct |
4 |
Correct |
0 ms |
344 KB |
Output is correct |
5 |
Correct |
1 ms |
344 KB |
Output is correct |
6 |
Correct |
1 ms |
344 KB |
Output is correct |
7 |
Correct |
1 ms |
344 KB |
Output is correct |
8 |
Correct |
1 ms |
344 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
344 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
344 KB |
Output is correct |
3 |
Correct |
1 ms |
344 KB |
Output is correct |
4 |
Correct |
0 ms |
344 KB |
Output is correct |
5 |
Correct |
1 ms |
344 KB |
Output is correct |
6 |
Correct |
1 ms |
344 KB |
Output is correct |
7 |
Correct |
1 ms |
344 KB |
Output is correct |
8 |
Correct |
1 ms |
344 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
344 KB |
Output is correct |
11 |
Correct |
1 ms |
344 KB |
Output is correct |
12 |
Correct |
1 ms |
344 KB |
Output is correct |
13 |
Correct |
1 ms |
348 KB |
Output is correct |
14 |
Correct |
2 ms |
344 KB |
Output is correct |
15 |
Correct |
1 ms |
488 KB |
Output is correct |
16 |
Correct |
1 ms |
344 KB |
Output is correct |
17 |
Correct |
1 ms |
344 KB |
Output is correct |
18 |
Correct |
1 ms |
520 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
344 KB |
Output is correct |
3 |
Correct |
1 ms |
344 KB |
Output is correct |
4 |
Correct |
0 ms |
344 KB |
Output is correct |
5 |
Correct |
1 ms |
344 KB |
Output is correct |
6 |
Correct |
1 ms |
344 KB |
Output is correct |
7 |
Correct |
1 ms |
344 KB |
Output is correct |
8 |
Correct |
1 ms |
344 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
1 ms |
344 KB |
Output is correct |
11 |
Correct |
11 ms |
1756 KB |
Output is correct |
12 |
Correct |
24 ms |
2876 KB |
Output is correct |
13 |
Correct |
79 ms |
7748 KB |
Output is correct |
14 |
Correct |
105 ms |
17096 KB |
Output is correct |
15 |
Correct |
143 ms |
13516 KB |
Output is correct |
16 |
Correct |
115 ms |
13032 KB |
Output is correct |
17 |
Correct |
93 ms |
11044 KB |
Output is correct |
18 |
Correct |
96 ms |
11720 KB |
Output is correct |
19 |
Correct |
36 ms |
4048 KB |
Output is correct |
20 |
Correct |
92 ms |
11528 KB |
Output is correct |
21 |
Correct |
112 ms |
17264 KB |
Output is correct |
22 |
Correct |
142 ms |
15080 KB |
Output is correct |
23 |
Correct |
148 ms |
13256 KB |
Output is correct |
24 |
Correct |
86 ms |
11720 KB |
Output is correct |
25 |
Correct |
1 ms |
344 KB |
Output is correct |
26 |
Correct |
1 ms |
348 KB |
Output is correct |
27 |
Correct |
2 ms |
344 KB |
Output is correct |
28 |
Correct |
1 ms |
488 KB |
Output is correct |
29 |
Correct |
1 ms |
344 KB |
Output is correct |
30 |
Correct |
1 ms |
344 KB |
Output is correct |
31 |
Correct |
1 ms |
520 KB |
Output is correct |
32 |
Correct |
1 ms |
344 KB |
Output is correct |
33 |
Correct |
40 ms |
4048 KB |
Output is correct |
34 |
Correct |
100 ms |
12228 KB |
Output is correct |
35 |
Correct |
173 ms |
15492 KB |
Output is correct |
36 |
Correct |
164 ms |
13552 KB |
Output is correct |
37 |
Correct |
148 ms |
14576 KB |
Output is correct |
38 |
Correct |
172 ms |
17132 KB |
Output is correct |
39 |
Correct |
113 ms |
12260 KB |
Output is correct |
40 |
Correct |
127 ms |
11568 KB |
Output is correct |
41 |
Correct |
98 ms |
11684 KB |
Output is correct |
42 |
Correct |
99 ms |
11896 KB |
Output is correct |
43 |
Correct |
91 ms |
11372 KB |
Output is correct |
44 |
Correct |
100 ms |
10532 KB |
Output is correct |
45 |
Correct |
164 ms |
16824 KB |
Output is correct |
46 |
Correct |
129 ms |
12484 KB |
Output is correct |
47 |
Correct |
107 ms |
10640 KB |
Output is correct |