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Submission #144666

# Submission time Handle Problem Language Result Execution time Memory
144666 2019-08-17T10:51:18 Z brcode Potatoes and fertilizers (LMIO19_bulves) C++14
100 / 100
 727 ms 19400 KB 
#include <iostream>
#include <queue>
using namespace std;
const long long MAXN = 5e5+5;
long long ans;
long long pref[MAXN];
long long c[MAXN];
long long n;
priority_queue<long long> pq;

int main(){

    cin>>n;
    for(long long i=1;i<=n;i++){
        long long a,b;
        cin>>a>>b;
        c[i] = a-b;
        pref[i] = pref[i-1]+c[i];
    }
    for(long long i=1;i<=n;i++){
        if(pref[i]<0){
            ans+=abs(pref[i]);
            pref[i] = 0;
        }
        if(pref[i]>pref[n]){
            ans+=pref[i]-pref[n];
            pref[i]=pref[n];
        }
    }

   
    for(long long i=1;i<=n;i++){
        if(!pq.empty() && pq.top()>pref[i]){
            ans+=pq.top()-pref[i];
            pq.pop();
            pq.push(pref[i]);
        }
        pq.push(pref[i]);
    }
    cout<<ans<<endl;
}

Subtask #1
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 4 ms 380 KB Output is correct
3 Correct 5 ms 504 KB Output is correct
4 Correct 40 ms 2136 KB Output is correct
5 Correct 72 ms 3664 KB Output is correct
6 Correct 292 ms 9832 KB Output is correct
7 Correct 567 ms 19256 KB Output is correct
8 Correct 455 ms 17256 KB Output is correct
9 Correct 415 ms 16764 KB Output is correct
10 Correct 274 ms 14404 KB Output is correct
11 Correct 276 ms 14312 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 4 ms 380 KB Output is correct
3 Correct 5 ms 504 KB Output is correct
4 Correct 40 ms 2136 KB Output is correct
5 Correct 72 ms 3664 KB Output is correct
6 Correct 292 ms 9832 KB Output is correct
7 Correct 567 ms 19256 KB Output is correct
8 Correct 455 ms 17256 KB Output is correct
9 Correct 415 ms 16764 KB Output is correct
10 Correct 274 ms 14404 KB Output is correct
11 Correct 276 ms 14312 KB Output is correct
12 Correct 145 ms 5228 KB Output is correct
13 Correct 362 ms 13376 KB Output is correct
14 Correct 573 ms 19172 KB Output is correct
15 Correct 472 ms 17240 KB Output is correct
16 Correct 424 ms 16848 KB Output is correct
17 Correct 282 ms 14308 KB Output is correct
18 Correct 4 ms 376 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 4 ms 380 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 3 ms 376 KB Output is correct
5 Correct 3 ms 376 KB Output is correct
6 Correct 4 ms 504 KB Output is correct
7 Correct 4 ms 504 KB Output is correct
8 Correct 4 ms 504 KB Output is correct
9 Correct 4 ms 504 KB Output is correct
10 Correct 4 ms 376 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 4 ms 380 KB Output is correct
3 Correct 5 ms 504 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 3 ms 376 KB Output is correct
6 Correct 3 ms 376 KB Output is correct
7 Correct 4 ms 504 KB Output is correct
8 Correct 4 ms 504 KB Output is correct
9 Correct 4 ms 504 KB Output is correct
10 Correct 4 ms 504 KB Output is correct
11 Correct 4 ms 376 KB Output is correct
12 Correct 6 ms 504 KB Output is correct
13 Correct 6 ms 504 KB Output is correct
14 Correct 5 ms 504 KB Output is correct
15 Correct 5 ms 504 KB Output is correct
16 Correct 4 ms 504 KB Output is correct
17 Correct 6 ms 504 KB Output is correct
18 Correct 4 ms 376 KB Output is correct

Subtask #5
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 4 ms 380 KB Output is correct
3 Correct 5 ms 504 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 3 ms 376 KB Output is correct
6 Correct 3 ms 376 KB Output is correct
7 Correct 4 ms 504 KB Output is correct
8 Correct 4 ms 504 KB Output is correct
9 Correct 4 ms 504 KB Output is correct
10 Correct 4 ms 504 KB Output is correct
11 Correct 40 ms 2136 KB Output is correct
12 Correct 72 ms 3664 KB Output is correct
13 Correct 292 ms 9832 KB Output is correct
14 Correct 567 ms 19256 KB Output is correct
15 Correct 455 ms 17256 KB Output is correct
16 Correct 415 ms 16764 KB Output is correct
17 Correct 274 ms 14404 KB Output is correct
18 Correct 276 ms 14312 KB Output is correct
19 Correct 145 ms 5228 KB Output is correct
20 Correct 362 ms 13376 KB Output is correct
21 Correct 573 ms 19172 KB Output is correct
22 Correct 472 ms 17240 KB Output is correct
23 Correct 424 ms 16848 KB Output is correct
24 Correct 282 ms 14308 KB Output is correct
25 Correct 4 ms 376 KB Output is correct
26 Correct 6 ms 504 KB Output is correct
27 Correct 6 ms 504 KB Output is correct
28 Correct 5 ms 504 KB Output is correct
29 Correct 5 ms 504 KB Output is correct
30 Correct 4 ms 504 KB Output is correct
31 Correct 6 ms 504 KB Output is correct
32 Correct 157 ms 5176 KB Output is correct
33 Correct 381 ms 13356 KB Output is correct
34 Correct 643 ms 19244 KB Output is correct
35 Correct 495 ms 16748 KB Output is correct
36 Correct 476 ms 17296 KB Output is correct
37 Correct 727 ms 19304 KB Output is correct
38 Correct 354 ms 15332 KB Output is correct
39 Correct 368 ms 14536 KB Output is correct
40 Correct 301 ms 14388 KB Output is correct
41 Correct 303 ms 14308 KB Output is correct
42 Correct 309 ms 14440 KB Output is correct
43 Correct 308 ms 14324 KB Output is correct
44 Correct 586 ms 19400 KB Output is correct
45 Correct 301 ms 14820 KB Output is correct
46 Correct 340 ms 13404 KB Output is correct
47 Correct 4 ms 376 KB Output is correct