답안 #135504

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
135504	2019-07-24T07:12:52 Z	임유진(#3251)	PIN (CEOI10_pin)	C++14	15 / 100	1000 ms	7416 KB

pin

#include <bits/stdc++.h>
using namespace std;

typedef long long lint;

const int MAXN = 50005;
const int TOTAL = 36 * 36 * 36 * 36;

char p[MAXN][5];
int cnt[36*36][36*36];
//const int pw[4] = {36 * 36 * 36, 36 * 36, 36, 1};

int main() {
	ios_base::sync_with_stdio(0); cin.tie(0);
	int N, D;
	lint ans = 0ll;

	cin >> N >> D;
	for(int i = 0; i < N; i++) cin >> p[i];

	for(int i = 0; i < N; i++) for(int j = 0; j < 4; j++)
		p[i][j] = '0' <= p[i][j] && p[i][j] <= '9' ? (p[i][j] - '0') : (p[i][j] - 'a' + 10);

	lint zero = 0, one = 0, two = 0, thr = 0, fou = 0;
	for(int i = 0; i < N; i++) {
		//printf("two = %lld\n", two);
		char tmp[4];
		for(int j = 0; j < 4; j++) tmp[j] = p[i][j];
		two += cnt[tmp[0] * 36 + tmp[1]][tmp[2] * 36 + tmp[3]];
		for(int j = 0; j < 4; j++) {
			for(tmp[j] = 0; tmp[j] < 36; tmp[j]++) if(tmp[j] != p[i][j]) {
				for(int k = j + 1; k < 4; k++) {
					for(tmp[k] = 0; tmp[k] < 36; tmp[k]++) if(tmp[k] != p[i][k]) 
						fou += cnt[tmp[0] * 36 + tmp[1]][tmp[2] * 36 + tmp[3]]++;
					tmp[k] = p[i][k];
				}
				thr += cnt[tmp[0] * 36 + tmp[1]][tmp[2] * 36 + tmp[3]];
			}
			tmp[j] = p[i][j];
		}
	}
	for(int i = 0; i < 36 * 36; i++) for(int j = 0; j < 36 * 36; j++)
		cnt[i][j] = 0;
	for(int i = 0; i < N; i++) {
		char tmp[4];
		for(int j = 0; j < 4; j++) tmp[j] = p[i][j];
		zero += cnt[tmp[0] * 36 + tmp[1]][tmp[2] * 36 + tmp[3]]++;
		for(int j = 0; j < 4; j++) {
			for(tmp[j] = 0; tmp[j] < 36; tmp[j]++) if(tmp[j] != p[i][j]) 
				one += cnt[tmp[0] * 36 + tmp[1]][tmp[2] * 36 + tmp[3]];
			tmp[j] = p[i][j];
		}
	}

	thr = (thr - 105 * one - 68 * two) / 3;
	fou = (fou - 3570 * one - 1296 * two - 204 * thr) / 6;
	//printf("zero = %lld, one = %lld, two = %lld, thr = %lld, fou = %lld\n", zero, one, two, thr, fou);

	if(D == 1) ans = one;
	else if(D == 2) ans = two;
	else if(D == 3) ans = thr;
	else ans = fou;

	cout << ans;
	return 0;
}

Subtask #1

15.0 / 100.0

#	결과	실행 시간	메모리	Grader output
1	Correct	107 ms	7032 KB	Output is correct
2	Correct	95 ms	6904 KB	Output is correct
3	Correct	89 ms	7032 KB	Output is correct
4	Execution timed out	1056 ms	7160 KB	Time limit exceeded
5	Execution timed out	1049 ms	7164 KB	Time limit exceeded
6	Execution timed out	1070 ms	7160 KB	Time limit exceeded
7	Execution timed out	1077 ms	7132 KB	Time limit exceeded
8	Execution timed out	1076 ms	7164 KB	Time limit exceeded
9	Execution timed out	1032 ms	7288 KB	Time limit exceeded
10	Execution timed out	1043 ms	7340 KB	Time limit exceeded
11	Execution timed out	1061 ms	7160 KB	Time limit exceeded
12	Execution timed out	1057 ms	7416 KB	Time limit exceeded
13	Execution timed out	1070 ms	7288 KB	Time limit exceeded
14	Execution timed out	1064 ms	7160 KB	Time limit exceeded
15	Execution timed out	1069 ms	7388 KB	Time limit exceeded
16	Execution timed out	1088 ms	7288 KB	Time limit exceeded
17	Execution timed out	1071 ms	7416 KB	Time limit exceeded
18	Execution timed out	1069 ms	7288 KB	Time limit exceeded
19	Execution timed out	1043 ms	7288 KB	Time limit exceeded
20	Execution timed out	1024 ms	7268 KB	Time limit exceeded