Submission #860591

#	Time	Username	Problem	Language	Result	Execution time	Memory
860591		Halym2007	Bigger segments (IZhO19_segments)	C++11	Compilation error	0 ms	0 KiB

segments

#include<bits/stdc++.h>
using namespace std;
const int N = 5e5 + 5;
ll o, a[N], seg[N], sum;
int main () {
//	freopen("input.txt", "r", stdin);
	int n;
	cin >> n;
	for (int i = 1; i <= n; ++i) {
		cin >> a[i];
	}
	o++;
	seg[o] = a[1];
	for (int i = 2; i <= n; ++i) {
		int r = i;
		sum = 0;
		while (r <= n and sum < seg[o]) {
			sum += a[r];
			r++;	
		}
		if (sum >= seg[o]) {
			o++;
			seg[o] = sum;
			while (sum - a[i] >= seg[i - 1] + a[i]) {
				seg[o - 1] += a[i];
				seg[o] -= a[i];
			}
		}
		else {
			seg[o] += sum;
		}
		i = r - 1;
	}
	cout << o << endl;
}

Compilation message (stderr)

segments.cpp:4:1: error: 'll' does not name a type
    4 | ll o, a[N], seg[N], sum;
      | ^~
segments.cpp: In function 'int main()':
segments.cpp:10:10: error: 'a' was not declared in this scope
   10 |   cin >> a[i];
      |          ^
segments.cpp:12:2: error: 'o' was not declared in this scope
   12 |  o++;
      |  ^
segments.cpp:13:2: error: 'seg' was not declared in this scope
   13 |  seg[o] = a[1];
      |  ^~~
segments.cpp:13:11: error: 'a' was not declared in this scope
   13 |  seg[o] = a[1];
      |           ^
segments.cpp:16:3: error: 'sum' was not declared in this scope
   16 |   sum = 0;
      |   ^~~