Submission #1118137

#	Time	Username	Problem	Language	Result	Execution time	Memory
1118137		overwatch9	Nizin (COCI16_nizin)	C++17	60 / 100	135 ms	65536 KiB

nizin

#include <bits/stdc++.h>
using namespace std;
int n;
vector <int> nums;
vector <vector <int>> dp;
int solve(int l, int r) {
    if (l >= r)
        return 0;
    if (dp[l][r] != -1)
        return dp[l][r];
    int ans = 1e9;
    if (nums[l] == nums[r])
        ans = solve(l+1, r-1);
    else {
        nums[l+1] += nums[l];
        ans = min(ans, solve(l+1, r) + 1);
        nums[l+1] -= nums[l];
        nums[r-1] += nums[r];
        ans = min(ans, solve(l, r-1) + 1);
        nums[r-1] -= nums[r];
    }
    dp[l][r] = ans;
    return ans;
}
int main() {
    cin >> n;
    nums.resize(n);
    for (int i = 0; i < n; i++)
        cin >> nums[i];
    dp = vector <vector <int>> (n, vector <int> (n, -1));
    cout << solve(0, n-1) << '\n';
}

• 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: 0 / 10
• Subtask 8: 0 / 10
• Subtask 9: 0 / 10
• Subtask 10: 0 / 10