oj.uz

Submission #1112591

# Submission time Handle Problem Language Result Execution time Memory
1112591 2024-11-14T11:12:16 Z guagua0407 Potatoes and fertilizers (LMIO19_bulves) C++17
100 / 100
 143 ms 17344 KB 
//#pragma GCC optimize("O3")
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define int ll
#define pii pair<int,int>
#define f first
#define s second
#define all(x) x.begin(),x.end()
#define _ ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);

void setIO(string s) {
    freopen((s + ".in").c_str(), "r", stdin);
    freopen((s + ".out").c_str(), "w", stdout);
}

signed main() {_
    int n;
    cin>>n;
    vector<ll> dif(n+1);
    for(int i=1;i<=n;i++){
        int a,b;
        cin>>a>>b;
        dif[i]=dif[i-1]+a-b;
    }
    priority_queue<ll> pq;
    pq.push(0);
    ll ans=0;
    for(int i=1;i<=n;i++){
        if(dif[i]<0){
            ans-=dif[i];
            dif[i]=0;
        }
        pq.push(dif[i]);
        if(pq.top()>dif[i]){
            pq.push(dif[i]);
            ans+=pq.top()-dif[i];
            pq.pop();
        }
    }
    int cnt=1;
    while(pq.top()>dif[n]){
        int r=pq.top();
        pq.pop();
        ans+=1ll*cnt*(r-max(dif[n],pq.top()));
        cnt++;
    }
    cout<<ans<<'\n';
    return 0;
}
//maybe its multiset not set

Compilation message

bulves.cpp: In function 'void setIO(std::string)':
bulves.cpp:13:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 |     freopen((s + ".in").c_str(), "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
bulves.cpp:14:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 |     freopen((s + ".out").c_str(), "w", stdout);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 516 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 11 ms 1660 KB Output is correct
5 Correct 21 ms 2424 KB Output is correct
6 Correct 80 ms 5608 KB Output is correct
7 Correct 98 ms 10432 KB Output is correct
8 Correct 106 ms 10432 KB Output is correct
9 Correct 75 ms 14712 KB Output is correct
10 Correct 75 ms 12536 KB Output is correct
11 Correct 80 ms 12480 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 516 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 11 ms 1660 KB Output is correct
5 Correct 21 ms 2424 KB Output is correct
6 Correct 80 ms 5608 KB Output is correct
7 Correct 98 ms 10432 KB Output is correct
8 Correct 106 ms 10432 KB Output is correct
9 Correct 75 ms 14712 KB Output is correct
10 Correct 75 ms 12536 KB Output is correct
11 Correct 80 ms 12480 KB Output is correct
12 Correct 53 ms 4276 KB Output is correct
13 Correct 95 ms 12992 KB Output is correct
14 Correct 77 ms 17344 KB Output is correct
15 Correct 111 ms 15552 KB Output is correct
16 Correct 143 ms 14720 KB Output is correct
17 Correct 74 ms 12532 KB Output is correct
18 Correct 1 ms 336 KB Output is correct

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 516 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 504 KB Output is correct
8 Correct 2 ms 336 KB Output is correct
9 Correct 1 ms 504 KB Output is correct
10 Correct 1 ms 500 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 516 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 504 KB Output is correct
8 Correct 2 ms 336 KB Output is correct
9 Correct 1 ms 504 KB Output is correct
10 Correct 1 ms 500 KB Output is correct
11 Correct 1 ms 336 KB Output is correct
12 Correct 1 ms 336 KB Output is correct
13 Correct 2 ms 336 KB Output is correct
14 Correct 1 ms 336 KB Output is correct
15 Correct 1 ms 336 KB Output is correct
16 Correct 1 ms 336 KB Output is correct
17 Correct 1 ms 504 KB Output is correct
18 Correct 2 ms 504 KB Output is correct

Subtask #5
36.0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 516 KB Output is correct
2 Correct 1 ms 336 KB Output is correct
3 Correct 1 ms 336 KB Output is correct
4 Correct 1 ms 336 KB Output is correct
5 Correct 1 ms 336 KB Output is correct
6 Correct 1 ms 336 KB Output is correct
7 Correct 1 ms 504 KB Output is correct
8 Correct 2 ms 336 KB Output is correct
9 Correct 1 ms 504 KB Output is correct
10 Correct 1 ms 500 KB Output is correct
11 Correct 11 ms 1660 KB Output is correct
12 Correct 21 ms 2424 KB Output is correct
13 Correct 80 ms 5608 KB Output is correct
14 Correct 98 ms 10432 KB Output is correct
15 Correct 106 ms 10432 KB Output is correct
16 Correct 75 ms 14712 KB Output is correct
17 Correct 75 ms 12536 KB Output is correct
18 Correct 80 ms 12480 KB Output is correct
19 Correct 53 ms 4276 KB Output is correct
20 Correct 95 ms 12992 KB Output is correct
21 Correct 77 ms 17344 KB Output is correct
22 Correct 111 ms 15552 KB Output is correct
23 Correct 143 ms 14720 KB Output is correct
24 Correct 74 ms 12532 KB Output is correct
25 Correct 1 ms 336 KB Output is correct
26 Correct 2 ms 336 KB Output is correct
27 Correct 1 ms 336 KB Output is correct
28 Correct 1 ms 336 KB Output is correct
29 Correct 1 ms 336 KB Output is correct
30 Correct 1 ms 504 KB Output is correct
31 Correct 2 ms 504 KB Output is correct
32 Correct 1 ms 336 KB Output is correct
33 Correct 42 ms 4040 KB Output is correct
34 Correct 67 ms 12992 KB Output is correct
35 Correct 105 ms 17344 KB Output is correct
36 Correct 96 ms 14844 KB Output is correct
37 Correct 82 ms 15296 KB Output is correct
38 Correct 92 ms 17344 KB Output is correct
39 Correct 52 ms 13504 KB Output is correct
40 Correct 60 ms 12992 KB Output is correct
41 Correct 53 ms 12544 KB Output is correct
42 Correct 62 ms 12480 KB Output is correct
43 Correct 55 ms 12536 KB Output is correct
44 Correct 56 ms 12536 KB Output is correct
45 Correct 117 ms 17344 KB Output is correct
46 Correct 73 ms 12736 KB Output is correct
47 Correct 66 ms 12240 KB Output is correct