| # |
제출 시각 |
아이디 |
문제 |
언어 |
결과 |
실행 시간 |
메모리 |
| 135377 |
2019-07-24T04:29:44 Z |
임유진(#3251) |
PIN (CEOI10_pin) |
C++14 |
|
72 ms |
7288 KB |
#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);
if(D == 1) {
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(int k = 0; k < 36; k++) if(k != p[i][j]) {
tmp[j] = k;
ans += cnt[tonum(tmp)];
//if(cnt[tonum(tmp)] != 0) printf("j = %d, tonum(%d %d %d %d) = %d\n", j, tmp[0], tmp[1], tmp[2], tmp[3], tonum(tmp));
}
tmp[j] = p[i][j];
}
cnt[tonum(p[i])]++;
//printf("tonum(p[i]) = %d\n", tonum(p[i]));
//printf("ans = %lld\n", ans);
}
}
else if(D == 2) {
for(int i = 0; i < N; i++) {
//printf("i = %d\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(int k = 0; k < 36; k++) if(k != p[i][j]) {
tmp[j] = k;
ans += cnt[tonum(tmp)];
//if(cnt[tonum(tmp)] != 0) printf("j = %d, tonum(%d %d %d %d) = %d\n", j, tmp[0], tmp[1], tmp[2], tmp[3], tonum(tmp));
cnt[tonum(tmp)]++;
}
tmp[j] = p[i][j];
}
}
ans /= 2;
for(int i = 0; i < TOTAL; i++) cnt[i] = 0;
for(int i = 0; i < N; i++) {
ans -= cnt[tonum(p[i])];
cnt[tonum(p[i])]++;
}
}
cout << ans;
return 0;
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
6 ms |
1656 KB |
Output is correct |
| 2 |
Incorrect |
12 ms |
6904 KB |
Output isn't correct |
| 3 |
Incorrect |
2 ms |
376 KB |
Output isn't correct |
| 4 |
Correct |
18 ms |
1784 KB |
Output is correct |
| 5 |
Correct |
20 ms |
1784 KB |
Output is correct |
| 6 |
Incorrect |
37 ms |
7032 KB |
Output isn't correct |
| 7 |
Incorrect |
32 ms |
7032 KB |
Output isn't correct |
| 8 |
Correct |
23 ms |
1784 KB |
Output is correct |
| 9 |
Correct |
33 ms |
1916 KB |
Output is correct |
| 10 |
Incorrect |
64 ms |
7120 KB |
Output isn't correct |
| 11 |
Incorrect |
40 ms |
7036 KB |
Output isn't correct |
| 12 |
Incorrect |
6 ms |
504 KB |
Output isn't correct |
| 13 |
Incorrect |
4 ms |
504 KB |
Output isn't correct |
| 14 |
Incorrect |
4 ms |
504 KB |
Output isn't correct |
| 15 |
Incorrect |
6 ms |
632 KB |
Output isn't correct |
| 16 |
Correct |
39 ms |
7032 KB |
Output is correct |
| 17 |
Incorrect |
72 ms |
7288 KB |
Output isn't correct |
| 18 |
Incorrect |
5 ms |
504 KB |
Output isn't correct |
| 19 |
Incorrect |
5 ms |
504 KB |
Output isn't correct |
| 20 |
Incorrect |
6 ms |
632 KB |
Output isn't correct |
