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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#342628 | #7863. Parity Game | goodier | WA | 0ms | 3656kb | C++17 | 4.9kb | 2024-03-01 13:57:22 | 2024-03-01 13:57:22 |
Judging History
answer
#include <bits/stdc++.h>
#define ffl fflush(stdout)
using namespace std;
const int N = 550;
int a[N], ba[N], n, t;
void Del(int x, int n)
{
for(int i = x; i < n; i++)
{
a[i] = a[i + 1];
}
}
int valid0()
{
for(int len = n; len >= 2; len--)
{
if(((n - len) & 1) ^ t ^ 1)
{
int flag = 0;
for(int i = 1; i < len; i++)
{
if(a[i] == a[i + 1] && a[i] == 1)
{
Del(i, len);
a[i] = 0;
flag = 1;
break;
}
}
if(!flag)
{
for(int i = 1; i <= len; i++)
{
if(a[i] == 1)
{
Del(i, len);
flag = 1;
break;
}
}
}
if(!flag)
{
Del(1, len);
}
}
else
{
int flag = 0;
for(int i = 1; i <= len; i++)
{
if(a[i] == 0)
{
Del(i, len);
flag = 1;
break;
}
}
if(!flag)
{
Del(2, len);
}
}
}
return a[1] == 0;
}
int main()
{
freopen("data.in", "r", stdin);
scanf("%d%d", &n, &t);
int len = 0, res0 = 0, res1 = 0;
for(int i = 1; i <= n; i++)
{
scanf("%d", &a[i]);
ba[i] = a[i];
}
int flag0 = 0;
if(valid0())
{
flag0 = 1;
}
memcpy(a, ba, sizeof(a));
if(flag0)
{
if(!t) puts("Alice");
else puts("Bob");
ffl;
for(int len = n; len >= 2; len--)
{
if(((n - len) & 1) ^ t ^ 1)
{
int flag = 0;
for(int i = 1; i < len; i++)
{
if(a[i] == a[i + 1] && a[i] == 1)
{
printf("%d +\n", i);
ffl;
Del(i, len);
a[i] = 0;
flag = 1;
break;
}
}
if(!flag)
{
for(int i = 1; i <= len; i++)
{
if(a[i] == 1)
{
printf("%d *\n", i - (i == len));
ffl;
Del(i, len);
flag = 1;
break;
}
}
}
if(!flag)
{
puts("1 *");
ffl;
Del(1, len);
}
}
else
{
char str[2]; int x;
scanf("%d%s", &x, str);
if(str[0] == '*')
{
a[x] &= a[x + 1];
}
else if(str[0] == '+')
{
int v = (a[x] + a[x + 1]) & 1;
a[x] = v;
}
Del(x + 1, len);
}
}
}
else
{
if(n & 1) puts("Bob");
else puts("Alice");
ffl;
for(int len = n; len >= 3; len--)
{
if(((n - len) & 1) ^ (n & 1) ^ 1)
{
int flag = 0;
for(int i = 1; i <= len; i++)
{
if(a[i] == 0)
{
printf("%d +\n", i - (i == len));
ffl;
Del(i, len);
flag = 1;
break;
}
}
if(!flag)
{
puts("1 *");
ffl;
Del(2, len);
}
}
else
{
char str[2]; int x;
//exit(0);
scanf("%d%s", &x, str);
if(str[0] == '*')
{
a[x] &= a[x + 1];
}
else
{
int v = (a[x] + a[x + 1]) & 1;
a[x] = v;
}
Del(x + 1, len);
}
}
if(a[1] + a[2] == 1)
{
if((n & 1) ^ t) puts("1 +");
else puts("1 *");
ffl;
}
else
{
if((n & 1) ^ t) puts("1 *");
else puts("1 +");
ffl;
}
}
return 0;
}
Details
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Test #1:
score: 0
Wrong Answer
time: 0ms
memory: 3656kb
input:
4 1 0 1 0 1
output:
Alice
result:
wrong answer format Unexpected end of file - int32 expected