結果
問題 | No.2209 Flip and Reverse |
ユーザー |
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提出日時 | 2023-02-10 21:27:08 |
言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
結果 |
AC
|
実行時間 | 10 ms / 2,000 ms |
コード長 | 3,006 bytes |
コンパイル時間 | 1,376 ms |
コンパイル使用メモリ | 132,992 KB |
最終ジャッジ日時 | 2025-02-10 12:11:15 |
ジャッジサーバーID (参考情報) |
judge1 / judge5 |
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ファイルパターン | 結果 |
---|---|
sample | AC * 4 |
other | AC * 30 |
ソースコード
#include <iostream>#include <cstdio>#include <cstdlib>#include <algorithm>#include <cmath>#include <vector>#include <set>#include <map>#include <unordered_set>#include <unordered_map>#include <queue>#include <ctime>#include <cassert>#include <complex>#include <string>#include <cstring>#include <chrono>#include <random>#include <bitset>#include <fstream>#include <array>#include <functional>#include <stack>#include <memory>using namespace std;#define int long long#define ii pair <int, int>#define app push_back#define all(a) a.begin(), a.end()#define bp __builtin_popcountll#define ll long long#define mp make_pair#define x first#define y second#define Time (double)clock()/CLOCKS_PER_SEC#ifdef LOCAL#define debug(x) std::cerr << #x << ": " << x << '\n';#define debug2(x, y) std::cerr << #x << ", " << #y << ": " << x << ", " << y << '\n';#define debug3(x, y, z) std::cerr << #x << ", " << #y << ", " << #z << ": " << x << ", " << y << ", " << z << '\n';#else#define debug(x)#define debug2(x, y)#define debug3(x, y, z)#endif#define FORI(i,a,b) for (int i = (a); i < (b); ++i)#define FOR(i,a) FORI(i,0,a)#define ROFI(i,a,b) for (int i = (b)-1; i >= (a); --i)#define ROF(i,a) ROFI(i,0,a)#define rep(a) FOR(_,a)#define each(a,x) for (auto& a: x)#define FORN(i, n) FORI(i, 1, n + 1)using vi = vector<int>;template <typename T>std::istream& operator >>(std::istream& input, std::pair <T, T> & data){input >> data.x >> data.y;return input;}template <typename T>std::istream& operator >>(std::istream& input, std::vector<T>& data){for (T& x : data)input >> x;return input;}template <typename T>std::ostream& operator <<(std::ostream& output, const pair <T, T> & data){output << "(" << data.x << "," << data.y << ")";return output;}template <typename T>std::ostream& operator <<(std::ostream& output, const std::vector<T>& data){for (const T& x : data)output << x << " ";return output;}ll div_up(ll a, ll b) { return a/b+((a^b)>0&&a%b); } // divide a by b rounded upll div_down(ll a, ll b) { return a/b-((a^b)<0&&a%b); } // divide a by b rounded downll math_mod(ll a, ll b) { return a - b * div_down(a, b); }#define tcT template<class T#define tcTU tcT, class UtcT> using V = vector<T>;tcT> bool ckmin(T& a, const T& b) {return b < a ? a = b, 1 : 0;} // set a = min(a,b)tcT> bool ckmax(T& a, const T& b) {return a < b ? a = b, 1 : 0;}ll gcd(ll a, ll b) {while (b) {tie(a, b) = mp(b, a % b);}return a;}int Bit(int mask, int bit) { return (mask >> bit) & 1; }signed main() {#ifdef LOCAL#else#define endl '\n'ios_base::sync_with_stdio(0); cin.tie(0);#endifint n;string s, t;cin >> n >> s >> t;int x = 0;FOR(i,n) {x ^= s[i]-'0';x ^= t[i]-'0';}if (x) {reverse(all(t));}int ans=0;FOR(i,n) {ans += s[i]^t[i];}cout<<ans<<endl;}