oj.uz

Submission #973110

# Submission time Handle Problem Language Result Execution time Memory
973110 2024-05-01T13:49:59 Z hihihah Potatoes and fertilizers (LMIO19_bulves) C++14
34 / 100
 134 ms 262144 KB 
#include<bits/stdc++.h>

using namespace std;

#define ll long long
#define all(x) x.begin(), x.end()
#define pii pair<int, int>

int n;
int a[500009];
int b[500009];
int64_t pre[500009];

void hihihah()
{
    cin >> n;
    for(int i = 1; i <= n; i ++)
        cin >> a[i] >> b[i];

    for(int i = 1; i <= n; i ++)
    {
        pre[i] = pre[i - 1] + a[i] - b[i];
    }

    vector<vector<int64_t>> dp(n + 3, vector<int64_t>(pre[n] + 3, 0));

    for(int i = 1; i <= n; i ++)
    {
        for(int j = 0; j <= pre[n]; j ++)
        {
            dp[i][j] = dp[i - 1][j] + abs(j - pre[i]);
            if(j > 0)
                dp[i][j] = min(dp[i][j - 1], dp[i][j]);
        }
    }

    cout << dp[n][pre[n]];
}

int32_t main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0); cout.tie(0);

    #define orz "mo"
    if(fopen(orz".inp", "r"))
    {
        freopen(orz".inp", "r", stdin);
//        freopen(orz".out", "w", stdout);
    }

    int t = 1;
//    cin >> t;
    while(t --)
    {
        hihihah();
    }
    return 0;
}

Compilation message

bulves.cpp: In function 'int32_t main()':
bulves.cpp:48:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   48 |         freopen(orz".inp", "r", stdin);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
24.0 / 24.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 1 ms 4700 KB Output is correct
3 Correct 2 ms 4700 KB Output is correct
4 Correct 11 ms 9692 KB Output is correct
5 Correct 16 ms 12892 KB Output is correct
6 Correct 45 ms 24148 KB Output is correct
7 Correct 84 ms 42416 KB Output is correct
8 Correct 73 ms 40528 KB Output is correct
9 Correct 79 ms 39868 KB Output is correct
10 Correct 73 ms 37456 KB Output is correct
11 Correct 69 ms 37456 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 1 ms 4700 KB Output is correct
3 Correct 2 ms 4700 KB Output is correct
4 Correct 11 ms 9692 KB Output is correct
5 Correct 16 ms 12892 KB Output is correct
6 Correct 45 ms 24148 KB Output is correct
7 Correct 84 ms 42416 KB Output is correct
8 Correct 73 ms 40528 KB Output is correct
9 Correct 79 ms 39868 KB Output is correct
10 Correct 73 ms 37456 KB Output is correct
11 Correct 69 ms 37456 KB Output is correct
12 Correct 24 ms 17244 KB Output is correct
13 Correct 54 ms 32592 KB Output is correct
14 Correct 96 ms 50260 KB Output is correct
15 Correct 92 ms 48212 KB Output is correct
16 Correct 78 ms 47620 KB Output is correct
17 Correct 64 ms 45320 KB Output is correct
18 Correct 1 ms 4700 KB Output is correct

Subtask #3
0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 1 ms 4700 KB Output is correct
3 Correct 1 ms 4700 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 13 ms 20316 KB Output is correct
6 Correct 46 ms 63332 KB Output is correct
7 Runtime error 134 ms 262144 KB Execution killed with signal 9
8 Halted 0 ms 0 KB -

Subtask #4
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 4440 KB Output is correct
2 Correct 1 ms 4700 KB Output is correct
3 Correct 2 ms 4700 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 13 ms 20316 KB Output is correct
6 Correct 46 ms 63332 KB Output is correct
7 Runtime error 134 ms 262144 KB Execution killed with signal 9
8 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 1 ms 4700 KB Output is correct
3 Correct 2 ms 4700 KB Output is correct
4 Correct 1 ms 4440 KB Output is correct
5 Correct 13 ms 20316 KB Output is correct
6 Correct 46 ms 63332 KB Output is correct
7 Runtime error 134 ms 262144 KB Execution killed with signal 9
8 Halted 0 ms 0 KB -