結果
問題 | No.2247 01 ZigZag |
ユーザー |
|
提出日時 | 2023-07-09 17:59:12 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 4 ms / 2,000 ms |
コード長 | 3,730 bytes |
コンパイル時間 | 4,178 ms |
コンパイル使用メモリ | 256,428 KB |
最終ジャッジ日時 | 2025-02-15 09:21:21 |
ジャッジサーバーID (参考情報) |
judge2 / judge3 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 2 |
other | AC * 50 |
ソースコード
#include <bits/stdc++.h> #include <atcoder/all> #define SELECTER(_1,_2,_3,SELECT,...) SELECT #define rep1(i,n) for(int i=0;i<(int)n;++i) #define rep2(i,a,n) for(int i=(int)a;i<(int)n;++i) #define rep(...) SELECTER(__VA_ARGS__,rep2,rep1)(__VA_ARGS__) #define RSELECTER(_1, _2, _3, RSELECT, ...) RSELECT #define rrep1(i,n) for(int i=(int)n-1;i>=0;--i) #define rrep2(i,a,n) for(int i=(int)n-1;i>=(int)a;--i) #define rrep(...) RSELECTER(__VA_ARGS__, rrep2, rrep1)(__VA_ARGS__) #define all(a) a.begin(),a.end() #define rall(a) a.rbegin(),a.rend() #define fi first #define se second #define PrintR LogOutput #ifdef _DEBUG #define Log(...) LogOutput(__VA_ARGS__) #else #define Log(...) #endif using namespace std; using namespace atcoder; using ll=long long; using pii=pair<int,int>; using pll=pair<long long,long long>; using pdd=pair<long double,long double>; using veci=vector<int>; using vecpii=vector<pair<int,int>>; using vecll=vector<long long>; using vecpll=vector<pair<long long,long long>>; using vecpdd=vector<pair<long double,long double>>; using vecs=vector<string>; using vecb=vector<bool>; using vecd=vector<long double>; using tp=tuple<int,int,int>; using tpll=tuple<ll,ll,ll>; using mint=modint998244353; using mint10=modint1000000007; template<typename T, typename S> istream& operator>>(istream& in, pair<T, S>& a){return in >> a.first >> a.second;} template<typename T, typename S> ostream& operator<<(ostream& out, const pair<T, S>& a){return out << a.first << ' ' << a.second;} ostream& operator<<(ostream& out, const mint& a){return out << a.val();} ostream& operator<<(ostream& out, const mint10& a){return out << a.val();} ostream& operator<<(ostream& out, const modint& a){return out << a.val();} template<typename T> ostream& operator<<(ostream& out, const vector<T>& d){for(int i = 0 ; i < d.size() ; ++i) out << d[i] << ' '; return out;} template<typename T, typename S> pair<T, S> operator+(const pair<T, S>& a, const pair<T, S>& b){return {a.fi + b.fi, a.se + b.se};} template<typename T, typename S> pair<T, S> operator-(const pair<T, S>& a, const pair<T, S>& b){return {a.fi - b.fi, a.se - b.se};} template<class T> inline bool chmax(T& a,T b){if(a<b) {a=b;return true;} return false;} template<class T> inline bool chmin(T& a,T b){if(a>b) {a=b;return true;} return false;} constexpr ll INF=numeric_limits<ll>::max() / 4; constexpr ll MOD=998244353; template<typename... Args> void LogOutput(Args&&... args){ stringstream ss; ((ss << args << ' '), ...); cout << ss.str().substr(0, ss.str().length() - 1) << endl; } template<typename T> void LogOutput(vector<vector<T>>& data){for(auto d : data) LogOutput(d);} bool f(int n, int m, int k, int u){ string s; int t = n + m; rep(i, t){ if((i % 2) ^ u) s.push_back('1'), m--; else s.push_back('0'), n--; if(i != 0) k--; if(k == 0){ if((i % 2) ^ u) cout<<string(n, '0') + s + string(m, '1')<<endl; else{ s.pop_back(); cout<<string(n, '0') + s + string(m, '1') + "0"<<endl; } return true; } if(n == 0){ if(k != 1) return false; else cout<<s + string(m, '1')<<endl; return true; } if(m == 0){ if(k != 1) return false; else cout<<string(n - 1, '0') + s + "0"<<endl; return true; } } return false; } int main(){ ios::sync_with_stdio(false); std::cin.tie(nullptr); int n, m, k;cin>>n>>m>>k; if(k == 0){ if(n > 0 && m > 0) cout<<-1<<endl; else if(n > 0) cout<<string(n, '0')<<endl; else if(m > 0) cout<<string(m, '1')<<endl; return 0; } if(n == 0){ if(k > 0) cout<<-1<<endl; else cout<<string(m, '1')<<endl; return 0; } if(m == 0){ if(k > 0) cout<<-1<<endl; else cout<<string(n, '0')<<endl; return 0; } if(f(n, m, k, 0)) return 0; if(!f(n, m, k, 1)) cout<<-1<<endl; }