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 20:01:30 |
言語 | C++23 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 17 ms / 2,000 ms |
コード長 | 2,835 bytes |
コンパイル時間 | 5,672 ms |
コンパイル使用メモリ | 331,980 KB |
実行使用メモリ | 6,820 KB |
最終ジャッジ日時 | 2025-01-26 00:05:11 |
合計ジャッジ時間 | 7,271 ms |
ジャッジサーバーID (参考情報) |
judge4 / 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>using namespace std;using std::cerr;using std::cin;using std::cout;#if __has_include(<atcoder/all>)#include <atcoder/all>// using mint = atcoder::modint998244353;using mint = atcoder::modint;istream &operator>>(istream &is, mint &a) {int t;is >> t;a = t;return is;}ostream &operator<<(ostream &os, mint a) { return os << a.val(); }#endif#undef long#define long long long#define uint unsigned int#define ull unsigned long#define overload3(a, b, c, name, ...) name#define rep3(i, a, b) for (int i = (a); i < (b); i++)#define rep2(i, n) rep3(i, 0, n)#define rep1(n) rep2(i, n)#define rep(...) overload3(__VA_ARGS__, rep3, rep2, rep1)(__VA_ARGS__)#define per3(i, a, b) for (int i = (b) - 1; i >= (a); i--)#define per2(i, n) per3(i, 0, n)#define per1(n) per2(i, n)#define per(...) overload3(__VA_ARGS__, per3, per2, per1)(__VA_ARGS__)#define ALL(a) a.begin(), a.end()#define UNIQUE(a) \sort(ALL(a)); \a.erase(unique(ALL(a)), a.end())#define SZ(a) (int)a.size()#define vec vector#ifndef DEBUG#define cerr \if (false) \cerr#undef assert#define assert(...) void(0)#undef endl#define endl '\n'#endiftemplate <typename T> ostream &operator<<(ostream &os, vector<T> a) {const int n = a.size();rep(i, n) {os << a[i];if (i + 1 != n)os << " ";}return os;}template <typename T, size_t n>ostream &operator<<(ostream &os, array<T, n> a) {rep(i, n) {os << a[i];if (i + 1 != n)os << " ";}return os;}template <typename T> istream &operator>>(istream &is, vector<T> &a) {for (T &i : a)is >> i;return is;}template <typename T, typename S> bool chmin(T &x, S y) {if ((T)y < x) {x = (T)y;return true;}return false;}template <typename T, typename S> bool chmax(T &x, S y) {if (x < (T)y) {x = (T)y;return true;}return false;}template <typename T> void operator++(vector<T> &a) {for (T &i : a)++i;}template <typename T> void operator--(vector<T> &a) {for (T &i : a)--i;}template <typename T> void operator++(vector<T> &a, int) {for (T &i : a)i++;}template <typename T> void operator--(vector<T> &a, int) {for (T &i : a)i--;}void solve() {string s;cin >> s;const int n = s.size();int now = -1;long ans = 0;rep(i, n) {if (s[i] == '1')continue;int c = i - now - 1;ans += c / 2;now += 1 + c % 2;}cout << ans << endl;}int main() {// srand((unsigned)time(NULL));cin.tie(nullptr);ios::sync_with_stdio(false);cout << fixed << setprecision(20);int t = 1;// cin >> t;while (t--)solve();}