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Submission #912359

# Submission time Handle Problem Language Result Execution time Memory
912359 2024-01-19T10:19:40 Z vjudge1 Potatoes and fertilizers (LMIO19_bulves) C++17
20 / 100
 530 ms 4696 KB 
#include <bits/stdc++.h>
using namespace std;
const int maxn = 2e6 + 100;
int n, m;
long long dp[60300];
long long d[60300];
int A, B;
int a[maxn], b[maxn];
int main() {
    cin >> n;
    for(int i=1; i<=n; i++) {
        cin >> a[i] >> b[i];
        A += a[i];
        B += b[i];
    }
    if(A <= 30000) {
        for(int j = 0; j <= 2*A; j++) {
            dp[j] = 1e18;
        }
        dp[A] = 0;
        for(int i = 1; i <= n; i++) {
            for(int j = 0; j <= 2 * A; j++) {
                d[j] = dp[j] + abs(j-A);
                dp[j] = 1e18;
            }
            for(int j = 0; j <= 2 * A; j++) {
                int k = j + a[i] - b[i];
                if(k >= 0 && k <= 2 * A) {
                    dp[k] = min(dp[k], d[j]);
                }
            }
            for(int j = 2 * A-1; j >= 0; j--) {
                dp[j] = min(dp[j+1], dp[j]);
            }
        }
        cout << dp[A];
    }
}

Subtask #1
0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 2 ms 4444 KB Output is correct
3 Incorrect 2 ms 4444 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #2
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 2 ms 4444 KB Output is correct
3 Incorrect 2 ms 4444 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 2 ms 4444 KB Output is correct
3 Correct 1 ms 4444 KB Output is correct
4 Correct 59 ms 4444 KB Output is correct
5 Correct 260 ms 4536 KB Output is correct
6 Correct 530 ms 4548 KB Output is correct
7 Correct 257 ms 4444 KB Output is correct
8 Correct 150 ms 4548 KB Output is correct
9 Correct 515 ms 4696 KB Output is correct
10 Correct 9 ms 4444 KB Output is correct

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 2 ms 4444 KB Output is correct
3 Incorrect 2 ms 4444 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #5
0 / 36.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 2 ms 4444 KB Output is correct
3 Incorrect 2 ms 4444 KB Output isn't correct
4 Halted 0 ms 0 KB -