結果
| 問題 |
No.2063 ±2^k operations (easy)
|
| コンテスト | |
| ユーザー |
bit_kyopro
|
| 提出日時 | 2022-09-02 21:26:43 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 40 ms / 2,000 ms |
| コード長 | 2,056 bytes |
| コンパイル時間 | 4,109 ms |
| コンパイル使用メモリ | 255,696 KB |
| 最終ジャッジ日時 | 2025-02-07 00:41:42 |
|
ジャッジサーバーID (参考情報) |
judge4 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 3 |
| other | AC * 21 |
ソースコード
#include<bits/stdc++.h>
#include<atcoder/all>
using namespace atcoder;
//using mint = modint1000000007;
using mint = modint998244353;
//g++ -I/opt/ac-library ./**.cpp
using namespace std;
using ll = long long;
using ull = unsigned long long;
//const long long MOD = 1000000007;
const long long MOD = 998244353;
const long double PI = 3.14159265358979;
const long long INF = 1LL<<60;
template <typename T> bool chmax(T &a, const T& b){if(a < b){a = b;return true;}return false;}
template <typename T> bool chmin(T &a, const T& b){if(a > b){a = b;return true;}return false;}
#define deb(var) do{cout << #var << " : "; view(var);}while(0)
template<typename T> void view(T e){cout << e << endl;}
void view(vector<string>& v){cout << endl;for(auto& s :v){view(s);}cout << endl;}
template<typename T> void view(vector<T>& v){for(auto& e :v){cout << e << " ";}cout << endl;}
template<typename T> void view(vector<vector<T>>& vv){cout << endl;for(auto& v:vv){view(v);}}
ll gcd(ll a, ll b){if (b == 0) return a;else return gcd(b, a % b);}
ll lcm(ll x,ll y){return ll(x/gcd(x,y))*y;}
template<typename T> using min_priority_queue = priority_queue<T, vector<T>, greater<T>>;
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(), x.rend()
#define int long long
vector<pair<char, int>> RLE(string s) {
int n = s.length();
vector<pair<char, int>> res;
char pre = s[0];
int cnt = 1;
for(int i=1; i<n; i++) {
if (pre != s[i]) {
res.push_back({ pre, cnt });
pre = s[i];
cnt = 1;
}
else cnt++;
}
res.push_back({ pre, cnt });
return res;
}
int32_t main() {
string s; cin >> s;
int n = s.size();
int a = 0;
for (int i=0; i<n; i++) {
a += s[i] - '0';
}
if (a == 1) {
cout << "No" << "\n";
return 0;
}
if (a == 2 || a == n) {
cout << "Yes" << "\n";
return 0;
}
auto rle = RLE(s);
if (rle.size() == 2) {
cout << "Yes" << "\n";
return 0;
}
cout << "No" << "\n";
}
bit_kyopro