#include <bits/stdc++.h>
using namespace std;
#define REP(i,n) for(int i=0;i<n;i++)
#define endl '\n'
int main() {
string s,t; cin >> s >> t;
auto f = [&](string s) {
int x = s[0]-'A', y = s[1]-'A';
int d = abs(x-y);
return d > 2 ? 5 - d : d;
};
cout << (f(s) == f(t) ? "Yes" : "No") << endl;
return 0;
}
#include <bits/stdc++.h>
using namespace std;
#define REP(i,n) for(int i=0;i<n;i++)
#define endl '\n'
using ll = long long;
int main() {
int n; cin >> n;
vector<ll> x = { 1 };
REP(i,11) x.push_back(x.back()*10+1);
set<ll> st;
auto dfs = [&](auto self, ll tot, int cnt) -> void {
if (cnt == 3) { st.insert(tot); return; }
for(auto v: x) { self(self,tot+v,cnt+1); }
};
dfs(dfs,0,0);
auto it = st.begin();
REP(i,n-1) it++;
cout << *it << endl;
return 0;
}
#include <bits/stdc++.h>
using namespace std;
#define REP(i,n) for(int i=0;i<n;i++)
#define endl '\n'
int main() {
int n; cin >> n;
vector g(n,vector<int>());
REP(i,n-1) {
int u,v; cin >> u >> v;
u--; v--;
g[u].push_back(v);
g[v].push_back(u);
}
auto dfs = [&](auto self, int i, int p) -> int {
int res = 1;
for(auto v: g[i]) {
if (v == p) continue;
res += self(self,v,i);
}
return res;
};
vector<int> s;
for(auto v: g[0]) s.push_back(dfs(dfs,v,0));
sort(s.begin(),s.end());
s.pop_back();
int ans = 1;
for(auto v: s) ans += v;
cout << ans << endl;
return 0;
}
#include <bits/stdc++.h>
using namespace std;
#define REP(i,n) for(int i=0;i<n;i++)
#define endl '\n'
using ll = long long;
int main() {
int n; cin >> n;
vector<int> t(n),x(n);
REP(i,n) {
cin >> t[i] >> x[i];
x[i]--;
}
vector g(n, vector<int>());
vector<int> potion(n);
REP(i,n) {
if (t[i] == 1) g[x[i]].push_back(i);
if (t[i] == 2) {
if (g[x[i]].size() == 0) { cout << -1 << endl; return 0; }
potion[g[x[i]].back()] = 1;
g[x[i]].pop_back();
}
}
vector<int> ans;
int mx = 0, sum = 0;
REP(i,n) {
if (t[i] == 1) {
ans.push_back((potion[i] ? 1 : 0));
if (potion[i]) { sum++; mx = max(mx,sum); }
}
if (t[i] == 2) sum--;
}
cout << mx << endl;
for(auto v: ans) cout << v << " ";
return 0;
}
tic40さんのトヨタ自動車プログラミングコンテスト2023#8(AtCoder Beginner Contest 333)での成績:2207位
パフォーマンス:1144相当
レーティング:1048→1058 (+10) :)
#AtCoder #トヨタ自動車プログラミングコンテスト2023#8(ABC333) https://atcoder.jp/users/tic40/history/share/abc333?lang=ja