답안 #135404

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
135404	2019-07-24T04:56:28 Z	임유진(#3251)	PIN (CEOI10_pin)	C++14	10 / 100	1000 ms	7160 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[TOTAL];

int tonum(char s[]) { return 36 * 36 * 36 * int(s[0]) + 36 * 36 * int(s[1]) + 36 * int(s[2]) + int(s[3]); }

int main() {
	ios::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++) {
		two += cnt[tonum(p[i])];
		//printf("two = %lld\n", two);
		char tmp[4];
		for(int j = 0; j < 4; j++) tmp[j] = p[i][j];
		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[tonum(tmp)]++;
					tmp[k] = p[i][k];
				}
				thr += cnt[tonum(tmp)];
			}
			tmp[j] = p[i][j];
		}
	}
	for(int i = 0; i < TOTAL; i++) cnt[i] = 0;
	for(int i = 0; i < N; i++) {
		char tmp[4];
		for(int j = 0; j < 4; j++) tmp[j] = p[i][j];
		for(int j = 0; j < 4; j++) {
			for(tmp[j] = 0; tmp[j] < 36; tmp[j]++) if(tmp[j] != p[i][j]) 
				one += cnt[tonum(tmp)];
			tmp[j] = p[i][j];
		}
		zero += cnt[tonum(p[i])]++;
	}

	//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;

	cout << ans;
	return 0;
}

Subtask #1

10.0 / 100.0

#	결과	실행 시간	메모리	Grader output
1	Correct	99 ms	7032 KB	Output is correct
2	Correct	93 ms	6904 KB	Output is correct
3	Incorrect	75 ms	6904 KB	Output isn't correct
4	Execution timed out	1065 ms	7032 KB	Time limit exceeded
5	Execution timed out	1085 ms	7032 KB	Time limit exceeded
6	Execution timed out	1072 ms	7032 KB	Time limit exceeded
7	Execution timed out	1075 ms	7032 KB	Time limit exceeded
8	Execution timed out	1074 ms	7032 KB	Time limit exceeded
9	Execution timed out	1058 ms	7160 KB	Time limit exceeded
10	Execution timed out	1063 ms	7160 KB	Time limit exceeded
11	Execution timed out	1077 ms	7032 KB	Time limit exceeded
12	Execution timed out	1073 ms	7160 KB	Time limit exceeded
13	Execution timed out	1080 ms	7032 KB	Time limit exceeded
14	Execution timed out	1084 ms	7036 KB	Time limit exceeded
15	Execution timed out	1070 ms	7160 KB	Time limit exceeded
16	Execution timed out	1071 ms	7036 KB	Time limit exceeded
17	Execution timed out	1037 ms	7160 KB	Time limit exceeded
18	Execution timed out	1064 ms	7032 KB	Time limit exceeded
19	Execution timed out	1064 ms	7160 KB	Time limit exceeded
20	Execution timed out	1054 ms	7132 KB	Time limit exceeded