제출 #1203594

#제출 시각아이디문제언어결과실행 시간메모리
1203594rafsanamin2020Bouquet (EGOI24_bouquet)C++20
8 / 100
20 ms3264 KiB
#include <bits/stdc++.h> #define l first; #define r second; using namespace std; int solve1() { int K; vector<pair<int, int>> Q; cin >> K; for (int i = 0; i < K; i++) { int L, R; cin >> L >> R; Q.push_back({L, R}); } int v = Q[0].l; ++v; return (K / v) + (K % v == 0 ? 0 : 1); } int solve2() { int K; vector<pair<int, int>> Q; cin >> K; vector<int> dp(K, 1); for (int i = 0; i < K; i++) { int L, R; cin >> L >> R; Q.push_back({L, R}); } reverse(Q.begin(), Q.end()); for (int i = 0; i < K; i++) { int idx = i + 1 + Q[i].first; if (idx < K) { dp[idx] = max(dp[idx], dp[i] + 1); } } // for (int x : dp) // { // cout << x << " "; // } return *max_element(dp.begin(), dp.end()); } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout << solve2(); }
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