結果
問題 | No.3015 右に寄せろ! |
ユーザー |
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提出日時 | 2025-01-25 16:18:02 |
言語 | C++23 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 37 ms / 2,000 ms |
コード長 | 4,143 bytes |
コンパイル時間 | 4,855 ms |
コンパイル使用メモリ | 332,088 KB |
実行使用メモリ | 22,672 KB |
最終ジャッジ日時 | 2025-01-25 23:51:07 |
合計ジャッジ時間 | 6,397 ms |
ジャッジサーバーID (参考情報) |
judge3 / judge13 |
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ファイルパターン | 結果 |
---|---|
other | AC * 36 |
ソースコード
#include <bits/stdc++.h>#include <atcoder/all>using namespace std;using namespace atcoder;typedef long long ll;typedef unsigned long long ull;typedef long double ld;#define rep(i, n) for (ll i = 0; i < (ll)(n); i++)#define rrep(i,start,end) for (ll i = start;i >= (ll)(end);i--)#define repn(i,end) for(ll i = 0; i <= (ll)(end); i++)#define reps(i,start,end) for(ll i = start; i < (ll)(end); i++)#define repsn(i,start,end) for(ll i = start; i <= (ll)(end); i++)#define each(p,a) for(auto &p:a)typedef vector<ll> vll;typedef vector<pair<ll ,ll>> vpll;typedef vector<vector<ll>> vvll;typedef set<ll> sll;typedef map<ll , ll> mpll;typedef pair<ll ,ll> pll;typedef tuple<ll , ll , ll> tpl3;#define LL(...) ll __VA_ARGS__; input(__VA_ARGS__)#define LD(...) ld __VA_ARGS__; input(__VA_ARGS__)#define Str(...) string __VA_ARGS__; input(__VA_ARGS__)#define Ch(...) char __VA_ARGS__; input(__VA_ARGS__)#define all(a) (a).begin(),(a).end()#define UNIQUE(v) v.erase( unique(v.begin(), v.end()), v.end() );#define sz(x) (ll)x.size()// << std::fixed << std::setprecision(10)const ll INF = 1LL << 60;const ld EPS = 1e-9;inline ll lfloor(ll x,ll m){return (x - ((x % m+ m)%m))/m;}inline ll positive_mod(ll a,ll m){return (a % m + m)%m;}inline ll popcnt(ull a){ return __builtin_popcountll(a);}//0indexedinline ll topbit(ll a){assert(a != 0);return 63 - __builtin_clzll(a);}inline ll smlbit(ll a){assert(a != 0);return __builtin_ctzll(a);}template<class T> bool chmin(T& a, T b){if(a > b){a = b;return true;}return false;}template<class T> bool chmax(T& a, T b){if(a < b){a = b;return true;}return false;}template<typename T> std::istream &operator>>(std::istream&is,std::vector<T>&v){for(T &in:v){is>>in;}return is;}template<typename T> std::ostream &operator<<(std::ostream&os,const std::vector<T>&v){for(auto it=std::begin(v);it!=std::end(v);){os<<*it<<((++it)!=std::end(v)?" ":"");}return os;}template<typename T1, typename T2>std::ostream &operator<< (std::ostream &os, std::pair<T1,T2> p){os << "{" << p.first << "," << p.second << "}";return os;}template<class... T>void input(T&... a){(cin >> ... >> a);}void print(){cout << endl;}template<class T, class... Ts>void print(const T& a, const Ts&... b){cout << a;((cout << ' ' << b), ...);cout << endl;}template<class T> void pspace(const T& a){ cout << a << ' ';}void perr(){cerr << endl;}template<class T, class... Ts>void perr(const T& a, const Ts&... b){cerr << a;((cerr << ' ' << b), ...);cerr << endl;}void yes(bool i = true){ return print(i?"yes":"no"); }void Yes(bool i = true){ return print(i?"Yes":"No"); }void YES(bool i = true){ return print(i?"YES":"NO"); }template <class T> vector<T> &operator++(vector<T> &v) {for(auto &e : v) e++;return v;}template <class T> vector<T> operator++(vector<T> &v, signed) {auto res = v;for(auto &e : v) e++;return res;}template <class T> vector<T> &operator--(vector<T> &v) {for(auto &e : v) e--;return v;}template <class T> vector<T> operator--(vector<T> &v, signed) {auto res = v;for(auto &e : v) e--;return res;}//grid探索用vector<ll> _ta = {0,0,1,-1,1,1,-1,-1};vector<ll> _yo = {1,-1,0,0,1,-1,1,-1};bool isin(ll now_i,ll now_j,ll h,ll w){return (0<=now_i && now_i < h && 0 <= now_j && now_j < w);}ll lpow(ll x,ll n){ll ans = 1;while(n >0){if(n & 1)ans *= x;x *= x;n >>= 1;}return ans;}ll Modlpow(ll x,ll n,ll m){ll ans = 1;ll a = x%m;while(n >0){if(n & 1){ans *= a;ans%= m;}a *= a;a %= m;n >>= 1;}return ans;}const ll MOD9 = 998244353LL;const ll MOD10 = 1000000007LL;int main(){ios::sync_with_stdio(false);cin.tie(nullptr);string s;cin >> s;ll n = sz(s);ll num = 0;vpll ord;ll ans = 0;rep(i,n){if(s[i] == '1'){if(ord.empty() or ord.back().first == 0){ord.push_back({1,1});}else{ord.back().second++;}}else {if(ord.empty() or ord.back().first == 0 or ord.back().second == 1){ord.push_back({0,1});}else{ll v = ord.back().second;ans += v/2;ord.pop_back();ord.push_back({0,1});ord.push_back({1,v/2 * 2});}}}cout << ans << endl;}