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QOJ
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 |
---|---|---|---|---|---|---|---|---|---|
#148800 | #5444. Tavern Chess | black_ice | WA | 2ms | 3904kb | C++14 | 2.2kb | 2023-08-23 19:04:17 | 2023-08-23 20:29:04 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define endl '\n'
const int N = 20;
int a[N],b[N],bla[N],blb[N];
int T,n,m;
double prob1,prob2,prob3;
void attk(int adx,int bdx,int &cnta,int &cntb)
{
bla[adx] -= b[bdx];
blb[bdx] -= a[adx];
if(bla[adx] <= 0)
{
cnta--;
}
if(blb[bdx] <= 0)
{
cntb--;
}
}
void rec(int adx,int bdx,int &cnta,int & cntb)
{
if(bla[adx] <= 0)
{
cnta++;
}
if(blb[bdx] <= 0)
{
cntb++;
}
bla[adx] += b[bdx];
blb[bdx] += a[adx];
}
void dfs(int adx,int bdx,int turn,double prob,int cnta,int cntb)
{
if(!cnta && cntb)
{
prob2 += prob;
return ;
}
if(!cntb && cnta)
{
prob1 += prob;
return ;
}
if(!cnta && !cntb)
{
prob3 += prob;
return ;
}
if(!turn)
{
while(bla[adx] <= 0) adx = (adx + 1) % n;
for(int j = 0;j < m;j++)
{
if(blb[j] > 0)
{
int tmp = cntb;
attk(adx,j,cnta,cntb);
dfs(adx + 1,bdx,!turn,prob * (1.00 / tmp),cnta,cntb);
rec(adx,j,cnta,cntb);
}
}
}
else{
while(blb[bdx] <= 0) bdx = (bdx + 1) % m;
for(int i = 0;i < n;i++)
{
if(bla[i] > 0)
{
int tmp = cnta;
attk(i,bdx,cnta,cntb);
dfs(adx,bdx + 1,!turn,prob * (1.00 / tmp),cnta,cntb);
rec(i,bdx,cnta,cntb);
}
}
}
}
void solve()
{
cin >> n >> m;
for(int i = 0;i < n;i++) cin >> a[i];
for(int i = 0;i < m;i++) cin >> b[i];
for(int i = 0;i < n;i++) bla[i] = a[i];
for(int i = 0;i < m;i++) blb[i] = b[i];
if(n == m)
{
dfs(0,0,0,0.5,n,m);
dfs(0,0,1,0.5,n,m);
}
else if(n > m)
{
dfs(0,0,0,1.0,n,m);
}
else{
dfs(0,0,1,1.0,n,m);
}
cout << setprecision(15) << prob1 << endl << prob2 << endl << prob3 << endl;
}
signed main() {
ios::sync_with_stdio(false);
cin.tie(nullptr);
T = 1;
while(T--)
{
solve();
}
}
详细
Test #1:
score: 100
Accepted
time: 1ms
memory: 3884kb
input:
2 3 2 5 3 4 1
output:
0.125 0.75 0.125
result:
ok 3 numbers
Test #2:
score: 0
Accepted
time: 2ms
memory: 3832kb
input:
6 6 1 1 4 5 1 4 1 1 4 5 1 4
output:
0.241867283950625 0.24186728395062 0.516265432098777
result:
ok 3 numbers
Test #3:
score: 0
Accepted
time: 2ms
memory: 3764kb
input:
7 7 1 1 1 1 1 1 1 1 1 1 1 1 1 1
output:
0 0 0.999999999999997
result:
ok 3 numbers
Test #4:
score: 0
Accepted
time: 1ms
memory: 3868kb
input:
1 7 7 1 1 1 1 1 1 1
output:
0 0 1
result:
ok 3 numbers
Test #5:
score: 0
Accepted
time: 1ms
memory: 3868kb
input:
2 3 736618938 652769331 328875880 97571721 44608905
output:
1 0 0
result:
ok 3 numbers
Test #6:
score: 0
Accepted
time: 0ms
memory: 3872kb
input:
5 4 53585130 731696211 668322278 611205195 158818781 569587984 776042583 745745433 330119007
output:
0.0668402777777778 0.664351851851852 0.26880787037037
result:
ok 3 numbers
Test #7:
score: 0
Accepted
time: 1ms
memory: 3888kb
input:
7 2 578505806 551611151 92903265 403642038 542119417 57334031 307573613 897644535 168524310
output:
0.999999999999999 0 0
result:
ok 3 numbers
Test #8:
score: -100
Wrong Answer
time: 1ms
memory: 3904kb
input:
5 6 113196606 64768263 772808463 787707989 500151952 481840741 676847825 4641268 431386165 847736311 169677832
output:
0.13683359053498 0.522397183641966 0.340769225823056
result:
wrong answer 1st numbers differ - expected: '0.1363232', found: '0.1368336', error = '0.0005104'