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Submission #442983

# Submission time Handle Problem Language Result Execution time Memory
442983 2021-07-09T12:45:52 Z zxcvbnm Kas (COCI17_kas) C++14
100 / 100
 607 ms 198088 KB 
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const int maxS = 1e5 + 5;
const int INF = 1e9 + 5;

int dp[505][maxS];
vector<int> a;
int n;
int go(int k, int diff) {
    if (diff >= maxS) {
        return -INF;
    }

    if (dp[k][diff] != -1) {
        return dp[k][diff];
    }

    int& ret = dp[k][diff];
    if (k == n) {
        return ret = (diff == 0 ? 0 : -INF);
    }

    return ret = max({go(k+1, diff), go(k+1, diff+a[k])+a[k], go(k+1, abs(diff-a[k]))+a[k]});
}
int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    memset(dp, -1, sizeof dp);
    cin >> n;
    a.resize(n);
    for(int i = 0; i < n; i++) {
        cin >> a[i];
    }

    int sum = accumulate(a.begin(), a.end(), 0);
    int sol = go(0, 0);
//    cout << sol << "\n";
    cout << (sol / 2) + (sum - (sol));
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 87 ms 197932 KB Output is correct
2 Correct 86 ms 197884 KB Output is correct

Subtask #2
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 85 ms 197956 KB Output is correct
2 Correct 88 ms 197952 KB Output is correct

Subtask #3
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 99 ms 197912 KB Output is correct
2 Correct 95 ms 197948 KB Output is correct

Subtask #4
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 86 ms 197836 KB Output is correct
2 Correct 86 ms 197960 KB Output is correct

Subtask #5
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 87 ms 197844 KB Output is correct
2 Correct 87 ms 197924 KB Output is correct

Subtask #6
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 84 ms 197928 KB Output is correct
2 Correct 86 ms 197828 KB Output is correct

Subtask #7
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 93 ms 197944 KB Output is correct
2 Correct 86 ms 197888 KB Output is correct

Subtask #8
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 175 ms 198088 KB Output is correct
2 Correct 124 ms 197956 KB Output is correct

Subtask #9
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 214 ms 198084 KB Output is correct
2 Correct 227 ms 197976 KB Output is correct

Subtask #10
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 394 ms 197980 KB Output is correct
2 Correct 607 ms 198084 KB Output is correct