제출 #497435

#제출 시각아이디문제언어결과실행 시간메모리
497435mansurBigger segments (IZhO19_segments)C++17
0 / 100
1 ms204 KiB
#include<bits/stdc++.h>	
 
#pragma optimize ("g",on)
#pragma GCC optimize ("inline")
#pragma GCC optimize ("Ofast")
#pragma GCC optimize ("unroll-loops")
#pragma GCC optimize ("03")
#pragma GCC target ("sse,sse2,sse3,ssse3,sse4,popcnt,abm,avx2,mmx,fma,avx,tune=native")
#pragma comment(linker, "/stack:200000000")
 
//01001101 01100001 01101011 01101000 01100001  01100111 01100001 01111001 
 
using namespace std;
 
#define all(a) a.begin(), a.end()                                                   
#define rall(a) a.rbegin(), a.rend()
#define ll long long
#define pb push_back
#define sz(a) a.size()
#define nl '\n'
#define popb pop_back()                                                                   
#define ld double
#define ull unsigned long long
#define ff first                                         
#define ss second  
#define fix fixed << setprecision
#define pii pair<int, int>                          
#define E exit (0)
#define int long long
 
const int inf = 1e15, N = 1e5, mod = 998244353;                    
 
vector<pii> dir = {{1, 0}, {0, 1}, {-1, 0}, {0, -1}};
 
main() {                                                         
	//freopen("cowrect.in", "r", stdin);                                                                                     
	//freopen("cowrect.out", "w", stdout);                                                                                     
	ios_base::sync_with_stdio(NULL);                                                                                        
	cin.tie(NULL);
	int n;
	cin >> n;
	int a[n + 1];
	for (int i = 1; i <= n; i++) cin >> a[i];
	int sum = 0, mx = 0;
	for (int j = 1; j <= n; j++) {
		sum += a[j];
		int last = sum, l = j, cur = 0, ans = 1;
		for (int i = j + 1; i <= n; i++) {
			cur += a[i];
			while (cur - a[l + 1] >= last + a[l + 1]) {
				cur -= a[l + 1];
				last += a[l + 1];
				l++;
			}
			if (cur >= last) {
				last = cur;
				cur = 0;
				l = i;
				ans++;
			}
		}
		mx = max(mx, ans);
	}
	cout << mx;
}

컴파일 시 표준 에러 (stderr) 메시지

segments.cpp:3: warning: ignoring '#pragma optimize ' [-Wunknown-pragmas]
    3 | #pragma optimize ("g",on)
      | 
segments.cpp:9: warning: ignoring '#pragma comment ' [-Wunknown-pragmas]
    9 | #pragma comment(linker, "/stack:200000000")
      | 
segments.cpp:35:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   35 | main() {
      | ^~~~
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