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ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#117844 | #6564. Frequent Flier | Klaus26 | WA | 12ms | 707384kb | C++20 | 1.9kb | 2023-07-02 11:05:45 | 2023-07-02 11:05:45 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
#include "../debug.h"
#define debug(...) cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__)
#else
#define debug(...) 42
#endif
int a[4], b[4];
int dp[3002][3002][20];
int go(int x, int y, int msk){
if(msk == 15){
//cout<<x<<' '<<y<<endl;
return x == 0 || y == 0;
}
int& ok = dp[x][y][msk];
if(ok != -1) return ok;
ok = 0;
for(int i=0; i<4; i++){
if((msk>>i)&1)continue;
int nmsk = msk | (1<<i);
if(a[i] == x && y-b[i] >=0){
ok |= go(x,y-b[i],nmsk);
}
if(a[i] == y && x-b[i] >=0){
ok |= go(x-b[i],y,nmsk);
}
if(b[i] == x && y-a[i] >=0){
ok |= go(x,y-a[i],nmsk);
}
if(b[i] == y && x-a[i] >=0){
ok |= go(x-a[i],y,nmsk);
}
}
return ok;
}
int main(){
ios_base::sync_with_stdio(0); cin.tie(0);
memset(dp,-1,sizeof dp);
for(int i=0; i<4; i++){
cin>>a[i]>>b[i];
}
int ok = 0;
//1
for(int i=0; i<4; i++){
for(int j=0; j<4; j++){
for(int r=0; r<4; r++){
for(int l=0; l<4; l++){
if(i!=j && j!=r && r!=l && l!=i && i!=r && j!=l){
if(a[i] == a[j]){
int len = b[i] + b[j];
ok |= (a[r] == a[l] && b[r]+b[l] == len && a[i]+a[r] == len);
ok |= (a[r] == b[l] && b[r]+a[l] == len && a[i]+a[r] == len);
ok |= (b[r] == a[l] && a[r]+b[l] == len && a[i]+b[r] == len);
ok |= (b[r] == b[l] && a[r]+a[l] == len && a[i]+b[r] == len);
}else if(a[i] == b[j]){
int len = b[i] + a[j];
ok |= (a[r] == a[l] && b[r]+b[l] == len && a[i]+a[r] == len);
ok |= (a[r] == b[l] && b[r]+a[l] == len && a[i]+a[r] == len);
ok |= (b[r] == a[l] && a[r]+b[l] == len && a[i]+b[r] == len);
ok |= (b[r] == b[l] && a[r]+a[l] == len && a[i]+b[r] == len);
}
}
}
}
}
}
//ok |= go(5,5,0);
for(int len=1; len<=3000; len++){
ok |= go(len,len,0);
}
cout<<ok<<'\n';
return 0;
}
详细
Test #1:
score: 0
Wrong Answer
time: 12ms
memory: 707384kb
input:
8 3 2 3 1 4 1 5 9 2 6
output:
0
result:
wrong answer 1st lines differ - expected: '8', found: '0'