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);
}