# | Submission time | Handle | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
154735 | 2019-09-24T10:54:39 Z | arnold518 | PIN (CEOI10_pin) | C++14 | 149 ms | 3148 KB |
#include <bits/stdc++.h> using namespace std; typedef long long ll; typedef pair<int, int> pii; typedef pair<ll, ll> pll; const int MAXN = 5e4; int N, D; int A[MAXN+10][5], T[5]={1, 40, 40*40, 40*40*40}; ll ans[5]; int f(char x) { if('0'<=x && x<='9') return x-'0'; else return x-'a'+10; } int solve() { int i, j, k, p, q; for(i=0; i<4; i++) { map<int, int> M; for(j=1; j<=N; j++) { ans[1]+=M[A[j][4]-A[j][i]]; M[A[j][4]-A[j][i]]++; } } for(i=0; i<4; i++) { for(j=i+1; j<4; j++) { map<int, int> M; for(k=1; k<=N; k++) { ans[2]+=M[A[k][4]-A[k][i]-A[k][j]]; M[A[k][4]-A[k][i]-A[k][j]]++; } } } ans[2]-=ans[1]*3; } int main() { int i, j; scanf("%d%d", &N, &D); for(i=1; i<=N; i++) { char s[5]; scanf("%s", s); A[i][0]=f(s[0])*T[0]; A[i][1]=f(s[1])*T[1]; A[i][2]=f(s[2])*T[2]; A[i][3]=f(s[3])*T[3]; A[i][4]=A[i][0]+A[i][1]+A[i][2]+A[i][3]; } solve(); printf("%lld", ans[D]); }
Compilation message
# | Verdict | Execution time | Memory | Grader output |
---|---|---|---|---|
1 | Correct | 5 ms | 376 KB | Output is correct |
2 | Correct | 5 ms | 376 KB | Output is correct |
3 | Incorrect | 4 ms | 376 KB | Output isn't correct |
4 | Correct | 35 ms | 1020 KB | Output is correct |
5 | Correct | 42 ms | 1144 KB | Output is correct |
6 | Correct | 41 ms | 1144 KB | Output is correct |
7 | Correct | 35 ms | 1016 KB | Output is correct |
8 | Correct | 46 ms | 1144 KB | Output is correct |
9 | Correct | 71 ms | 1640 KB | Output is correct |
10 | Correct | 78 ms | 1656 KB | Output is correct |
11 | Correct | 44 ms | 1196 KB | Output is correct |
12 | Incorrect | 74 ms | 1656 KB | Output isn't correct |
13 | Incorrect | 49 ms | 1280 KB | Output isn't correct |
14 | Incorrect | 45 ms | 1208 KB | Output isn't correct |
15 | Incorrect | 74 ms | 1656 KB | Output isn't correct |
16 | Correct | 96 ms | 2296 KB | Output is correct |
17 | Correct | 149 ms | 3148 KB | Output is correct |
18 | Incorrect | 109 ms | 2424 KB | Output isn't correct |
19 | Incorrect | 129 ms | 2800 KB | Output isn't correct |
20 | Incorrect | 146 ms | 3068 KB | Output isn't correct |