#634288 (C++17) No.1439 Let's Compare!!!!

• 問題: No.1439 Let's Compare!!!!
• ユーザー: kaikey
• 提出日時: 2021-03-26 21:34:52
• 言語: C++17 (gcc 12.3.0 + boost 1.83.0)
• 結果: AC
• 実行時間: 219 ms / 2,000 ms
• コード長: 3,616 bytes
• コンパイル時間: 2,327 ms
• コンパイル使用メモリ: 211,068 KB
• 実行使用メモリ: 14,848 KB
• 最終ジャッジ日時: 2024-11-29 08:37:43
• 合計ジャッジ時間: 4,847 ms
• ジャッジサーバーID （参考情報）: judge4 / judge3

入力	結果	実行時間; 実行使用メモリ
testcase_00	AC	2 ms; 5,248 KB
testcase_01	AC	2 ms; 5,248 KB
testcase_02	AC	2 ms; 5,248 KB
testcase_03	AC	2 ms; 5,248 KB
testcase_04	AC	2 ms; 5,248 KB
testcase_05	AC	2 ms; 5,248 KB
testcase_06	AC	2 ms; 5,248 KB
testcase_07	AC	4 ms; 5,248 KB
testcase_08	AC	5 ms; 5,248 KB
testcase_09	AC	3 ms; 5,248 KB
testcase_10	AC	219 ms; 14,592 KB
testcase_11	AC	147 ms; 8,064 KB
testcase_12	AC	130 ms; 8,064 KB
testcase_13	AC	208 ms; 14,848 KB
testcase_14	AC	212 ms; 14,848 KB
testcase_15	AC	109 ms; 5,248 KB
testcase_16	AC	75 ms; 5,248 KB
testcase_17	AC	58 ms; 5,248 KB
testcase_18	AC	34 ms; 5,248 KB

ソースコード

#include "bits/stdc++.h"
#include <random>
#include <chrono>
#define ALL(x) (x).begin(), (x).end()
#define SZ(x) ((lint)(x).size())
#define FOR(i, begin, end) for(lint i=(begin),i##_end_=(end);i<i##_end_;++i)
#define IFOR(i, begin, end) for(lint i=(end)-1,i##_begin_=(begin);i>=i##_begin_;--i)
#define REP(i, n) FOR(i,0,n)
#define IREP(i, n) IFOR(i,0,n)
#define endk '\n'
using namespace std; typedef unsigned long long _ulong; typedef long long int lint; typedef long double ld; typedef pair<lint, lint> plint; typedef pair<ld, ld> pld;
struct fast_ios { fast_ios() { cin.tie(nullptr), ios::sync_with_stdio(false), cout << fixed << setprecision(20); }; } fast_ios_;
template<class T> auto add = [](T a, T b) -> T { return a + b; };
template<class T> auto f_max = [](T a, T b) -> T { return max(a, b); };
template<class T> auto f_min = [](T a, T b) -> T { return min(a, b); };
template<class T> using V = vector<T>;
using Vl = V<lint>; using VVl = V<Vl>;
template< typename T > ostream& operator<<(ostream& os, const vector< T >& v) {
	for (int i = 0; i < (int)v.size(); i++) os << v[i] << (i + 1 != v.size() ? " " : "");
	return os;
}
template< typename T >istream& operator>>(istream& is, vector< T >& v) {
	for (T& in : v) is >> in;
	return is;
}
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; }
lint gcd(lint a, lint b) { if (b == 0) return a; else return gcd(b, a % b); }
lint ceil(lint a, lint b) { return (a + b - 1) / b; }
lint digit(lint a) { return (lint)log10(a); }
lint e_dist(plint a, plint b) { return abs(a.first - b.first) * abs(a.first - b.first) + abs(a.second - b.second) * abs(a.second - b.second); }
lint m_dist(plint a, plint b) { return abs(a.first - b.first) + abs(a.second - b.second); }
bool check_overflow(lint a, lint b, lint limit) { return a > limit / b; } // a * b > c => true
void Worshall_Floyd(VVl& g) { REP(k, SZ(g)) REP(i, SZ(g)) REP(j, SZ(g)) chmin(g[i][j], g[i][k] + g[k][j]); }
const lint MOD1000000007 = 1000000007, MOD998244353 = 998244353, INF = 5e18;
lint dx[8] = { 1, 0, -1, 0, 1, -1, 1, -1 }, dy[8] = { 0, 1, 0, -1, -1, -1, 1, 1 };
bool YN(bool flag) { cout << (flag ? "YES" : "NO") << endk; return flag; } bool yn(bool flag) { cout << (flag ? "Yes" : "No") << endk; return flag; }
struct Edge {
	lint from, to;
	lint cost;
	Edge() {

	}
	Edge(lint u, lint v, lint c) {
		cost = c;
		from = u;
		to = v;
	}
	bool operator<(const Edge& e) const {
		return cost < e.cost;
	}
};
struct WeightedEdge {
	lint to;
	lint cost;
	WeightedEdge(lint v, lint c = 1) {
		to = v;
		cost = c;
	}
	bool operator<(const WeightedEdge& e) const {
		return cost < e.cost;
	}
};
using WeightedGraph = V<V<WeightedEdge>>;
typedef pair<lint, plint> tlint;
typedef pair<plint, plint> qlint;
typedef pair<char, lint> valchar;

lint N, Q;
int main() {
	cin >> N;
	string s, t;
	cin >> s >> t;
	set<plint> comp;
	REP(i, N) {
		if (s[i] < t[i]) comp.insert({ i, 1 });
		else if (s[i] > t[i]) comp.insert({ i, -1 });
	}
	cin >> Q;
	REP(i, Q) {
		char c;
		lint a, b;
		cin >> c >> a >> b; a--;
		if (s[a] != t[a]) {
			if (s[a] < t[a]) comp.erase({ a, 1 });
			else comp.erase({ a, -1 });
		}
		if (c == 'S') {
			s[a] = (char)('0' + b);
		}
		else {
			t[a] = (char)('0' + b);
		}
		if (s[a] < t[a]) comp.insert({ a, 1 });
		else if (s[a] > t[a]) comp.insert({ a, -1 });
		if (SZ(comp) == 0) {
			cout << '=' << endk;
		}
		else {
			auto v = *comp.begin();
			if (v.second == -1) {
				cout << '>' << endk;
			}
			else {
				cout << '<' << endk;
			}
		}
	}
}