結果
| 問題 | 
                            No.2063 ±2^k operations (easy)
                             | 
                    
| コンテスト | |
| ユーザー | 
                             a16784542
                         | 
                    
| 提出日時 | 2022-09-25 19:48:13 | 
| 言語 | C++17  (gcc 13.3.0 + boost 1.87.0)  | 
                    
| 結果 | 
                             
                                AC
                                 
                             
                            
                         | 
                    
| 実行時間 | 5 ms / 2,000 ms | 
| コード長 | 1,890 bytes | 
| コンパイル時間 | 4,090 ms | 
| コンパイル使用メモリ | 251,724 KB | 
| 最終ジャッジ日時 | 2025-02-07 15:05:01 | 
| 
                            ジャッジサーバーID (参考情報)  | 
                        judge1 / judge5 | 
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| ファイルパターン | 結果 | 
|---|---|
| sample | AC * 3 | 
| other | AC * 21 | 
コンパイルメッセージ
main.cpp: In function ‘int main()’:
main.cpp:16:39: warning: ‘r’ may be used uninitialized [-Wmaybe-uninitialized]
   16 | #define repi(i,a,b) for(int i=int(a);i<int(b);++i)
      |                                       ^
main.cpp:14:39: note: in expansion of macro ‘repi’
   14 | #define _overload3(_1,_2,_3,name,...) name
      |                                       ^~~~
main.cpp:17:18: note: in expansion of macro ‘_overload3’
   17 | #define rep(...) _overload3(__VA_ARGS__,repi,_rep,)(__VA_ARGS__)
      |                  ^~~~~~~~~~
main.cpp:67:5: note: in expansion of macro ‘rep’
   67 |     rep(i,l,r+1){
      |     ^~~
main.cpp:59:11: note: ‘r’ was declared here
   59 |     int l,r;
      |           ^
main.cpp:16:39: warning: ‘l’ may be used uninitialized [-Wmaybe-uninitialized]
   16 | #define repi(i,a,b) for(int i=int(a);i<int(b);++i)
      |                                       ^
main.cpp:14:39: note: in expansion of macro ‘repi’
   14 | #define _overload3(_1,_2,_3,name,...) name
      |                                       ^~~~
main.cpp:17:18: note: in expansion of macro ‘_overload3’
   17 | #define rep(...) _overload3(__VA_ARGS__,repi,_rep,)(__VA_ARGS__)
      |                  ^~~~~~~~~~
main.cpp:67:5: note: in expansion of macro ‘rep’
   67 |     rep(i,l,r+1){
      |     ^~~
main.cpp:59:9: note: ‘l’ was declared here
   59 |     int l,r;
      |         ^
            
            ソースコード
#include <bits/stdc++.h>
#include <atcoder/all>
// #include <ext/pb_ds/assoc_container.hpp>
// #include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace atcoder;
// using namespace __gnu_pbds;
using ll=long long;
#define int ll
using ld = long double;
#define _overload3(_1,_2,_3,name,...) name
#define _rep(i,n) repi(i,0,n)
#define repi(i,a,b) for(int i=int(a);i<int(b);++i)
#define rep(...) _overload3(__VA_ARGS__,repi,_rep,)(__VA_ARGS__)
#define rrep(i,n) for(int i=int(n-1);i>=int(0);--i)
#define fore(i,a) for(auto &i:a)
#define all(x) x.begin(),x.end() 
#define sz(x) ((int)(x).size())
#define bp(x) (__builtin_popcount((long long)(x)))
#define pb push_back
#define eb emplace_back
#define mpa make_pair
#define bit(n) (1LL<<(n))
template <class T> using V = vector<T>;
template <class T> using VV = V<V<T>>;
template <class T> using max_heap = priority_queue<T>;
template <class T> using min_heap = priority_queue<T, vector<T>, greater<>>;
#define P pair<int,int>
#define TP tuple<int,int,int>
#define F first
#define S second
template<class T>bool chmax(T &a, const T &b) { if (a<b) { a=b; return 1; } return 0; }
template<class T>bool chmin(T &a, const T &b) { if (b<a) { a=b; return 1; } return 0; }
const int INF = 1001001001;
const ll INFL = 3e18;
const int MAX = 2e6+1;
int co(const string &s){
  int res=0;
  rep(i,sz(s))res+=(s[i]-'0');
  return res;
}
signed main() {
    string s;cin>>s;
    int n=sz(s);
    int t=co(s);
    if(t==1){
        cout<<"No"<<endl;
        return 0;
    }
    else if(t==2||t==0){
        cout<<"Yes"<<endl;
        return 0;
    }
    int l,r;
    rep(i,n){
        if(s[i]=='1')r=i;
    }
    rrep(i,n){
        if(s[i]=='1')l=i;
    }
    t=0;
    rep(i,l,r+1){
        if(s[i]=='0')t++;
    }
    if(t<1){
        cout<<"Yes"<<endl;
        return 0;
    }
    else{
        cout<<"No"<<endl;
        return 0;
    }
}
            
            
            
        
            
a16784542