Submission #2606433
Source Code Expand
#include<bits/stdc++.h> using namespace std; #define MOD 1000000007 long long N; long long A[100005]; long long B[100005]; long long memo[100005]; long long cal(long long num){ if(memo[num] != 0) return memo[num]; if(num == 1) return 1; memo[num] = (num * cal(num-1)) % MOD; return memo[num]; } int main(){ cin >> N; for(long long i = 0; i < N; i++){ cin >> A[i]; } for(long long i = 0; i < N; i++){ cin >> B[i]; } sort(A, A + N); sort(B, B + N); long long ans = 1; long long count = 1; bool abig = false; long long th = B[0]; if(A[0] > B[0]) { abig = true; th = A[0]; } for(long long i = 1; i < N; i++){ if(abig){ if(A[i] > B[i]){ if(th < B[i]){ ans *= cal(count); ans %= MOD; count = 1; th = A[i]; }else { count++; } }else{ //A[i] < B[i] abig = false; ans *= cal(count); ans %= MOD; count = 1; th = B[i]; } }else{ if(A[i] > B[i]){ abig = true; ans *= cal(count); ans %= MOD; count = 1; th = A[i]; }else{ //A[i] < B[i] if(th < A[i]){ ans *= cal(count); ans %= MOD; count = 1; th = B[i]; }else { count++; } } } } ans *= cal(count); ans %= MOD; cout << ans << endl; }
Submission Info
Submission Time | |
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Task | A - 1D Matching |
User | motomuman |
Language | C++14 (GCC 5.4.1) |
Score | 0 |
Code Size | 1344 Byte |
Status | WA |
Exec Time | 93 ms |
Memory | 4096 KB |
Judge Result
Set Name | Sample | All | ||||||
---|---|---|---|---|---|---|---|---|
Score / Max Score | 0 / 0 | 0 / 500 | ||||||
Status |
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Set Name | Test Cases |
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Sample | example0.txt, example1.txt |
All | 000.txt, 001.txt, 002.txt, 003.txt, 004.txt, 005.txt, 006.txt, 007.txt, 008.txt, 009.txt, 010.txt, 011.txt, example0.txt, example1.txt |
Case Name | Status | Exec Time | Memory |
---|---|---|---|
000.txt | WA | 56 ms | 1152 KB |
001.txt | WA | 21 ms | 640 KB |
002.txt | WA | 28 ms | 768 KB |
003.txt | WA | 32 ms | 768 KB |
004.txt | WA | 81 ms | 1664 KB |
005.txt | WA | 91 ms | 1792 KB |
006.txt | WA | 91 ms | 1792 KB |
007.txt | WA | 91 ms | 1792 KB |
008.txt | WA | 91 ms | 1792 KB |
009.txt | WA | 91 ms | 1792 KB |
010.txt | AC | 93 ms | 4096 KB |
011.txt | AC | 92 ms | 1792 KB |
example0.txt | AC | 1 ms | 256 KB |
example1.txt | AC | 1 ms | 256 KB |