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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 |
---|---|---|---|---|---|---|---|---|---|
#487275 | #5339. Mixing Colours | PetroTarnavskyi# | WA | 0ms | 8104kb | C++20 | 1.9kb | 2024-07-22 19:34:21 | 2024-07-22 19:34:22 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define FOR(i, a, b) for(int i = (a); i < (b); i++)
#define RFOR(i, a, b) for(int i = (a) - 1; i >= (b); i--)
#define SZ(a) int(a.size())
#define ALL(a) a.begin(), a.end()
#define PB push_back
#define MP make_pair
#define F first
#define S second
typedef long long LL;
typedef vector<int> VI;
typedef pair<int, int> PII;
typedef double db;
map<string, int> id;
map<int, string> rid;
int addStr(string a)
{
if(!id.count(a))
{
id[a] = SZ(id);
rid[id[a]] = a;
}
return id[a];
}
const int INF = 1e9;
const int N = 1 << 9;
const int R = 104;
vector<PII> rules[3 * R];
db dpT[N][N][3 * R];
void solve()
{
int n;
cin >> n;
FOR(i, 0, n + 1)
FOR(j, 0, n + 1)
fill(dpT[i][j], dpT[i][j] + 3 * R, -INF);
FOR(i, 0, n)
{
string s;
while(cin >> s)
{
if(s == "END")
break;
int col = addStr(s);
db prob;
cin >> prob;
prob = log(prob);
dpT[i][i + 1][col] = prob;
}
}
int sz = SZ(id);
RFOR(l, n, 0)
{
FOR(r, l + 2, n + 1)
{
FOR(c, 0, sz)
{
FOR(m, l + 1, r)
{
db sum = 0;
for(auto rule : rules[c])
sum = max(sum, dpT[l][m][rule.F] + dpT[m][r][rule.S]);
dpT[l][r][c] = max(dpT[l][r][c], sum);
}
}
}
}
int ans = -1;
FOR(c, 0, sz)
{
if(dpT[0][n][c] == -INF)
continue;
if(ans == -1 || dpT[0][n][c] > dpT[0][n][ans])
ans = c;
}
if(ans == -1)
cout << "GAMEOVER\n";
else
cout << rid[ans] << "\n";
}
int main()
{
ios::sync_with_stdio(0);
cin.tie(0);
int r;
cin >> r;
FOR(i, 0, r)
{
string a, b, c;
cin >> a >> b >> c;
int A = addStr(a);
int B = addStr(b);
int C = addStr(c);
rules[C].PB({A, B});
rules[C].PB({B, A});
}
int q;
cin >> q;
while(q--)
{
solve();
}
return 0;
}
详细
Test #1:
score: 0
Wrong Answer
time: 0ms
memory: 8104kb
input:
7 Blue Yellow Green Yellow Red Orange Green Red Yellow White Red Pink Pink Black Red Orange Red Red Yellow Orange Yellow 3 2 Red 0.7 Orange 0.3 END Yellow 1.0 END 4 Blue 0.6 Green 0.4 END Red 0.2 Orange 0.6 Yellow 0.2 END White 0.9 Yellow 0.1 END Red 0.5 Black 0.5 END 2 Blue 1.0 END Orange 1.0 END
output:
Blue Blue Blue
result:
wrong answer 1st lines differ - expected: 'Orange', found: 'Blue'