Submission #738823

#	Time	Username	Problem	Language	Result	Execution time	Memory
738823		mzv	Nizin (COCI16_nizin)	C++17	0 / 100	50 ms	9932 KiB

nizin

#include <bits/stdc++.h>

#define ccd ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
#define ll long long
#define endl '\n'

using namespace std;

/* ------------------------ hi lol ------------------------ */

ll n,arr[1'000'001],le,ri,ans=0;

int main() {
    ccd
    cin >> n;
    for (int i=1;i<=n;i++) {
    	cin >> arr[i];
    }
    le=1,ri=n;
    while (le<=ri) {
    	if (arr[le]==arr[ri]) {
    		le++; ri--;
    		continue;
    	}
    	else if (le+1==ri-1) {
    		ans++; break;
    	}
    	else if ((arr[le]+arr[le+1])==arr[ri]) {
    		arr[le+1]+=arr[le];
    		ans++;
    		le++;
    		ri--;
    	}
    	else if ((arr[ri]+arr[ri-1])==arr[le]) {
    		arr[ri-1]+=arr[ri];
    		ans++;
    		le++;
    		ri--;
    	}
    	else {
    		if ((arr[ri]+arr[ri-1])>arr[le]+arr[le+1]) {
    			arr[ri-1]+=arr[ri];
    			ri--;
    			ans++;
    		}
    		else {
    			arr[le+1]+=arr[le];
    			le++;
    			ans++;
    		}
    	}
    }
    cout << ans << endl;
}

• Subtask 1: 0 / 10
• Subtask 2: 0 / 10
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• Subtask 10: 0 / 10