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#1493. 猜拳游戏(rps)

https://sjzezoj.com/submission/55487
This commit is contained in:
Baoshuo Ren 2022-08-24 22:31:16 +08:00
parent 838adadd01
commit 2fcc1f4f10
Signed by: baoshuo
GPG Key ID: 00CB9680AB29F51A
22 changed files with 111 additions and 0 deletions

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#include <iostream>
#include <string>
using std::cin;
using std::cout;
const char endl = '\n';
const int N = 25;
int r, p, s, f[1 << N];
std::string sr[N], sp[N], ss[N];
int highbit(int x) {
return 32 - __builtin_clz(x) - 1;
}
int main() {
std::ios::sync_with_stdio(false);
cin.tie(nullptr);
cin >> r >> p >> s;
sr[0] = "R", sp[0] = "P", ss[0] = "S";
for (int i = 1; i <= 20; i++) {
f[1 << i] = i;
}
for (int i = 1; i <= 20; ++i) {
sp[i] = std::min(sr[i - 1] + ss[i - 1], ss[i - 1] + sr[i - 1]);
sr[i] = std::min(ss[i - 1] + sp[i - 1], sp[i - 1] + ss[i - 1]);
ss[i] = std::min(sp[i - 1] + sr[i - 1], sr[i - 1] + sp[i - 1]);
}
if (f[r + p + s] == -1) {
cout << "IMPOSSIBLE" << endl;
} else if (r != p && r != s && p == s && std::abs(r - s) == 1) {
cout << sr[f[r + p + s]] << endl;
} else if (p != r && p != s && r == s && std::abs(p - r) == 1) {
cout << sp[f[r + p + s]] << endl;
} else if (s != p && s != r && p == r && std::abs(s - p) == 1) {
cout << ss[f[r + p + s]] << endl;
} else {
cout << "IMPOSSIBLE" << endl;
}
return 0;
}

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