結果
問題 | No.3114 0→1 |
ユーザー |
|
提出日時 | 2025-04-19 09:46:42 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 7 ms / 2,000 ms |
コード長 | 2,290 bytes |
コンパイル時間 | 2,346 ms |
コンパイル使用メモリ | 192,664 KB |
実行使用メモリ | 6,272 KB |
最終ジャッジ日時 | 2025-04-19 09:46:46 |
合計ジャッジ時間 | 3,261 ms |
ジャッジサーバーID (参考情報) |
judge1 / judge3 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 3 |
other | AC * 30 |
ソースコード
#include <bits/stdc++.h> using namespace std; using ll = long long; // -------------------------------------------------------- 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; } #define FOR(i, l, r) for (ll i = (l); i < (r); ++i) #define RFOR(i, l, r) for (ll i = (r) - 1; (l) <= i; --i) #define REP(i, n) FOR(i, 0, n) #define RREP(i, n) RFOR(i, 0, n) #define ALL(c) (c).begin(), (c).end() #define RALL(c) (c).rbegin(), (c).rend() #define SORT(c) sort(ALL(c)) #define RSORT(c) sort(RALL(c)) #define MIN(c) *min_element(ALL(c)) #define MAX(c) *max_element(ALL(c)) #define SUM(c) accumulate(ALL(c), 0LL) #define BITCNT(c) __builtin_popcountll(c) #define SZ(c) ((int)(c).size()) #define COUT(c) cout << (c) << '\n' #define debug(x) cerr << #x << " = " << (x) << '\n'; using P = pair<ll, ll>; using VP = vector<P>; using VVP = vector<VP>; using VS = vector<string>; using VI = vector<int>; using VVI = vector<VI>; using VLL = vector<ll>; using VVLL = vector<VLL>; using VB = vector<bool>; using VVB = vector<VB>; using VD = vector<double>; using VVD = vector<VD>; static const double EPS = 1e-10; static const double PI = acos(-1.0); template <typename T> void arrPrint(vector<T> arr) { for (auto v : arr) cout << v << " "; cout << '\n'; } template <typename T> void arrPrint2Dim(vector<vector<T>> arr) { for (auto a : arr) arrPrint(a); } template <typename T, typename T2> void arrPrintPair(vector<pair<T, T2>> arr) { for (auto v : arr) cout << "{" << v.first << "," << v.second << "}, "; cout << '\n'; } const int dx[4] = {1, 0, -1, 0}; const int dy[4] = {0, 1, 0, -1}; ll gcd(ll a, ll b) { return b ? gcd(b, a % b) : a; } ll lcm(ll a, ll b) { return a / gcd(a, b) * b; } // static const int INF = (1 << 30) - 1; // 1073741824 - 1 static const ll INF = (1LL << 62) - 1; // 4611686018427387904 - 1 // static const ll MOD = 1000000007; static const ll MOD = 998244353; int main() { ll N; string S; cin >> N >> S; ll ans = 0, now = 1; REP(i, N) { if (S[i] == '0') { if (now <= 0) { ans++, now++; continue; } now = -1; } else { now++; } } COUT(ans); }