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Submission #415957

# Submission time Handle Problem Language Result Execution time Memory
415957 2021-06-01T18:24:47 Z 2548631 Potatoes and fertilizers (LMIO19_bulves) C++17
30 / 100
 3 ms 460 KB 
#include <bits/stdc++.h>
using namespace std;

typedef long long ll;
typedef unsigned long long ull;
typedef long double ld;
typedef pair<ll,ll> ii;
typedef complex<ld> cp;
typedef vector<int> vi;
typedef vector<ll> vll;
typedef vector<ii> vii;
typedef vector<cp> vcp;
typedef vector<ld> vld;
typedef vector<vi> vvi;
typedef vector<vll> vvll;
typedef vector<vii> vvii;

#define fastIO ios::sync_with_stdio(false), cin.tie(NULL), cout.tie(NULL)
#define forw(i,l,r) for( int i = (l) ; i < (r) ; i++ )
#define forb(i,r,l) for( int i = (r) ; i >= (l) ; i-- )
#define log2i(x) (32 - __builtin_clz((x)) - 1)
#define log2ll(x) (64 - __builtin_clzll((x)) - 1)
#define Pi 3.141592653589793
#define sz(x) (int)x.size()
#define mt make_tuple
#define mp make_pair
#define fi first
#define se second
#define pb push_back
#define pf push_front
#define pob pop_back
#define pof pop_front
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()

const int N = 5e3+7;
int n;
ll ans=0;
int a[N],b[N],diff[N],d[N],dp[N][N];
priority_queue<ll> q;

int main() {
    fastIO;
    //freopen("test.inp","r",stdin);
    //freopen("test.out","w",stdout);

    cin >> n;
    forw(i,1,n+1) {
        cin >> a[i] >> b[i];
        diff[i]=a[i]-b[i];
        d[i]=d[i-1]+diff[i];
    }
    forw(i,1,n+1) {
        q.push(min(max(d[i],0),d[n]));
        q.push(min(max(d[i],0),d[n]));
        if(q.top()>d[i]) ans+=q.top()-d[i];
        if(d[n]<d[i]) ans+=d[i]-d[n];
        q.pop();
    }
    cout << ans;
    return 0;
}

Subtask #1
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 332 KB Output is correct
2 Correct 2 ms 332 KB Output is correct
3 Correct 2 ms 460 KB Output is correct
4 Incorrect 2 ms 460 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 332 KB Output is correct
2 Correct 2 ms 332 KB Output is correct
3 Correct 2 ms 460 KB Output is correct
4 Incorrect 2 ms 460 KB Output isn't correct
5 Halted 0 ms 0 KB -

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 332 KB Output is correct
2 Correct 2 ms 332 KB Output is correct
3 Correct 1 ms 332 KB Output is correct
4 Correct 2 ms 332 KB Output is correct
5 Correct 1 ms 332 KB Output is correct
6 Correct 2 ms 460 KB Output is correct
7 Correct 2 ms 332 KB Output is correct
8 Correct 2 ms 436 KB Output is correct
9 Correct 2 ms 332 KB Output is correct
10 Correct 2 ms 332 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 332 KB Output is correct
2 Correct 2 ms 332 KB Output is correct
3 Correct 2 ms 460 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 2 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 2 ms 460 KB Output is correct
8 Correct 2 ms 332 KB Output is correct
9 Correct 2 ms 436 KB Output is correct
10 Correct 2 ms 332 KB Output is correct
11 Correct 2 ms 332 KB Output is correct
12 Correct 2 ms 332 KB Output is correct
13 Correct 3 ms 460 KB Output is correct
14 Correct 2 ms 460 KB Output is correct
15 Correct 2 ms 400 KB Output is correct
16 Correct 2 ms 460 KB Output is correct
17 Correct 2 ms 460 KB Output is correct
18 Correct 2 ms 460 KB Output is correct

Subtask #5
0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 332 KB Output is correct
2 Correct 2 ms 332 KB Output is correct
3 Correct 2 ms 460 KB Output is correct
4 Correct 1 ms 332 KB Output is correct
5 Correct 2 ms 332 KB Output is correct
6 Correct 1 ms 332 KB Output is correct
7 Correct 2 ms 460 KB Output is correct
8 Correct 2 ms 332 KB Output is correct
9 Correct 2 ms 436 KB Output is correct
10 Correct 2 ms 332 KB Output is correct
11 Incorrect 2 ms 460 KB Output isn't correct
12 Halted 0 ms 0 KB -