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Submission #797104

# Submission time Handle Problem Language Result Execution time Memory
797104 2023-07-29T06:45:30 Z ymm Remittance (JOI19_remittance) C++17
0 / 100
 1 ms 340 KB 
#include <bits/stdc++.h>
#define Loop(x,l,r) for (ll x = (l); x < (r); ++x)
typedef long long ll;
using namespace std;

const int N = 1e6+10;
ll a[N], b[N];
int n;

int main()
{
	cin.tie(0) -> sync_with_stdio(false);
	cin >> n;
	Loop (i,0,n)
		cin >> a[i] >> b[i];
	Loop (_,0,100) {
		Loop (i,0,n) {
			ll x = max(0ll, (a[i] - b[i])/2);
			a[i] -= 2*x;
			a[(i+1) == n? 0: i+1] += x;
		}
	}
	bool ans = 1;
	Loop (i,0,n)
		ans &= a[i] == b[i];
	cout << (ans? "Yes": "No") << '\n';
}

Subtask #1
0 / 15.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 328 KB Output is correct
6 Correct 0 ms 328 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Incorrect 0 ms 212 KB Output isn't correct
9 Halted 0 ms 0 KB -

Subtask #2
0 / 40.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 328 KB Output is correct
6 Correct 0 ms 328 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Incorrect 0 ms 212 KB Output isn't correct
9 Halted 0 ms 0 KB -

Subtask #3
0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 0 ms 328 KB Output is correct
6 Correct 0 ms 328 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Incorrect 0 ms 212 KB Output isn't correct
9 Halted 0 ms 0 KB -