Submission #959584

#	Time	Username	Problem	Language	Result	Execution time	Memory
959584		Beerus13	Kas (COCI17_kas)	C++14	100 / 100	110 ms	1244 KiB

kas

#include<bits/stdc++.h>
using namespace std;
#define ll long long
const int N = 1e5 + 5;

bool maximize(int &a, int b) {
    if(a >= b) return true;
    a = b;
    return false;
}

int n;
int dp[2][N];

void solve() {
    cin >> n;
    int cur = 0;
    memset(dp[cur], -0x3f, sizeof(dp[cur]));
    dp[cur][0] = 0;
    int sum = 0;
    for(int i = 1, x; i <= n; ++i) {
        cin >> x; sum += x;
        cur ^= 1;
        memset(dp[cur], -0x3f, sizeof(dp[cur]));
        for(int diff = 0; diff < N; ++diff) {
            maximize(dp[cur][diff], dp[cur ^ 1][diff]);
            if(diff + x < N) maximize(dp[cur][diff + x], dp[cur ^ 1][diff] + x);
            if(diff >= x) maximize(dp[cur][diff - x], dp[cur ^ 1][diff]);
            if(x >= diff) maximize(dp[cur][x - diff], dp[cur ^ 1][diff] + x - diff);
        }
    }
    cout << sum - dp[cur][0] << '\n';
}

signed main() {
    ios::sync_with_stdio(0);
    cin.tie(0); cout.tie(0);
    int test = 1;
    // cin >> test;
    while(test--) solve();
    return 0;
}

• Subtask 1: 10 / 10
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10
• Subtask 8: 10 / 10
• Subtask 9: 10 / 10
• Subtask 10: 10 / 10