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답안 #418811

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
418811 2021-06-05T22:53:10 Z Chaska Vepar (COCI21_vepar) C++11
70 / 70
 343 ms 14392 KB 
#include <bits/stdc++.h>
using namespace std;
const int N = 1e7+6;
int t,a,b,c,d;
bool vs[N];
vector<int> primes;
void precalc()
{
	for (int i=2;i<=10000000;i++) {
		if (!vs[i]) {
			primes.push_back(i);
			for (int j=i;j<=10000000;j+=i) {
				vs[j] = true;
			} 
		}
	}
	return;
}
int calc(int u,int v)
{
	int k = 0;
	while (u) {
		k += u/v;
		u /= v;
	}
	return k;
}
int main()
{
	precalc();
	cin >> t;
	while (t--) {
		cin >> a >> b >> c >> d;
		a--;
		c--;
		bool y = true;
		for (int u : primes) {
			int p1,p4,p2,p3;
			p1 = calc(a,u);
			p2 = calc(b,u);
			p3 = calc(c,u);
			p4 = calc(d,u);
			p2 -= p1;
			p4 -= p3;
			if (p2>p4) y = false;
		}
		if(y) cout << "DA\n";
		else cout <<"NE\n";
	}
	return 0;
}

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 285 ms 14260 KB Output is correct
2 Correct 246 ms 14272 KB Output is correct
3 Correct 285 ms 14264 KB Output is correct

Subtask #2
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 241 ms 14268 KB Output is correct
2 Correct 308 ms 14216 KB Output is correct
3 Correct 274 ms 14252 KB Output is correct
4 Correct 295 ms 14288 KB Output is correct
5 Correct 302 ms 14268 KB Output is correct

Subtask #3
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 256 ms 14256 KB Output is correct
2 Correct 310 ms 14268 KB Output is correct
3 Correct 283 ms 14388 KB Output is correct
4 Correct 292 ms 14272 KB Output is correct
5 Correct 285 ms 14236 KB Output is correct

Subtask #4
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 284 ms 14292 KB Output is correct
2 Correct 296 ms 14272 KB Output is correct
3 Correct 327 ms 14268 KB Output is correct
4 Correct 298 ms 14260 KB Output is correct
5 Correct 287 ms 14248 KB Output is correct
6 Correct 223 ms 14384 KB Output is correct
7 Correct 324 ms 14392 KB Output is correct

Subtask #5
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 343 ms 14260 KB Output is correct
2 Correct 286 ms 14268 KB Output is correct
3 Correct 287 ms 14292 KB Output is correct
4 Correct 262 ms 14284 KB Output is correct
5 Correct 304 ms 14272 KB Output is correct
6 Correct 342 ms 14276 KB Output is correct

Subtask #6
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 339 ms 14260 KB Output is correct
2 Correct 305 ms 14256 KB Output is correct
3 Correct 297 ms 14268 KB Output is correct
4 Correct 271 ms 14236 KB Output is correct
5 Correct 311 ms 14268 KB Output is correct
6 Correct 336 ms 14276 KB Output is correct

Subtask #7
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 331 ms 14260 KB Output is correct
2 Correct 319 ms 14256 KB Output is correct
3 Correct 280 ms 14236 KB Output is correct
4 Correct 263 ms 14280 KB Output is correct
5 Correct 306 ms 14268 KB Output is correct
6 Correct 332 ms 14256 KB Output is correct
7 Correct 315 ms 14260 KB Output is correct