Submission #591197

#TimeUsernameProblemLanguageResultExecution timeMemory
591197nguyen31hoang08minh2003Nizin (COCI16_nizin)C++14
100 / 100
56 ms6216 KiB
/* +----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ |////|\/ /|\ \/|\\\\|////|\/ /|\ \/|\\\\|////|\/ /|\ \/|\\\\|////|\/ /|\ \/|\\\\|////|\/ /|\ \/|\\\\|////|\/ /|\ \/|\\\\|////|\/ /|\ \/| |/// | \/ | \/ | \\\|/// | \/ | \/ | \\\|/// | \/ | \/ | \\\|/// | \/ | \/ | \\\|/// | \/ | \/ | \\\|/// | \/ | \/ | \\\|/// | \/ | \/ | |// | \/|\/ | \\|// | \/|\/ | \\|// | \/|\/ | \\|// | \/|\/ | \\|// | \/|\/ | \\|// | \/|\/ | \\|// | \/|\/ | |/ | \|/ | \|/ | \|/ | \|/ | \|/ | \|/ | \|/ | \|/ | \|/ | \|/ | \|/ | \|/ | \|/ | +----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ |\ | /|\ | /|\ | /|\ | /|\ | /|\ | /|\ | /|\ | /|\ | /|\ | /|\ | /|\ | /|\ | /|\ | |\\ | /\|/\ | //|\\ | /\|/\ | //|\\ | /\|/\ | //|\\ | /\|/\ | //|\\ | /\|/\ | //|\\ | /\|/\ | //|\\ | /\|/\ | |\\\ | /\ | /\ | ///|\\\ | /\ | /\ | ///|\\\ | /\ | /\ | ///|\\\ | /\ | /\ | ///|\\\ | /\ | /\ | ///|\\\ | /\ | /\ | ///|\\\ | /\ | /\ | |\\\\|/\ \|/ /\|////|\\\\|/\ \|/ /\|////|\\\\|/\ \|/ /\|////|\\\\|/\ \|/ /\|////|\\\\|/\ \|/ /\|////|\\\\|/\ \|/ /\|////|\\\\|/\ \|/ /\| +----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+----+ */ #include <bits/stdc++.h> #define fore(i, a, b) for (signed i = (a), i##_last = (b); i < i##_last; ++i) #define fort(i, a, b) for (signed i = (a), i##_last = (b); i <= i##_last; ++i) #define ford(i, a, b) for (signed i = (a), i##_last = (b); i >= i##_last; --i) #define fi first #define se second #define pb push_back #define sz(x) ((int)(x).size()) #define all(x) (x).begin(), (x).end() #define rall(x) (x).rbegin(), (x).rend() using namespace std; using ll = long long; using ld = long double; template<class A, class B> bool maxi(A &a, const B &b) {return (a < b) ? (a = b, true):false;}; template<class A, class B> bool mini(A &a, const B &b) {return (a > b) ? (a = b, true):false;}; typedef unsigned long long ull; typedef pair<int, int> ii; typedef vector<ll> vi; typedef vector<ii> vii; typedef vector<vi> vvi; typedef vector<vii> vvii; const int maxN = 1e6 + 5; int n, a[maxN]; ll res; int main() { #ifdef LOCAL freopen("input.INP", "r", stdin); #endif // LOCAL cin.tie(0) -> sync_with_stdio(0); cout.tie(0); cin >> n; fort(i, 1, n) cin >> a[i]; for (ll x = 0, y = 0, l = 0, r = n + 1; l < r;) { if (x == y) { x = a[++l]; y = a[--r]; continue; } ++res; if (x < y) x += a[++l]; else y += a[--r]; } cout << res << '\n'; return 0; }
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