제출 #696096

#제출 시각아이디문제언어결과실행 시간메모리
696096stevancvRabbit Carrot (LMIO19_triusis)C++14
100 / 100
29 ms3812 KiB
#include <bits/stdc++.h> #define ll long long #define ld long double #define sp ' ' #define en '\n' #define smin(a, b) a = min(a, b) #define smax(a, b) a = max(a, b) using namespace std; const int N = 2e5 + 2; const int inf = 2e9; int a[N], b[N]; int Lis(int n) { int sol = 0; for (int i = 1; i <= n; i++) { b[i] = 2e9; if (a[i] < 0) continue; int l = 0, r = i - 1, ans = 0; while (l <= r) { int mid = l + r >> 1; if (b[mid] <= a[i]) { l = mid + 1; ans = mid + 1; } else r = mid - 1; } smax(sol, ans); smin(b[ans], a[i]); } return sol; } int main() { ios::sync_with_stdio(false); cin.tie(0); cout.tie(0); int n, k; cin >> n >> k; for (int i = 1; i <= n; i++) { cin >> a[i]; a[i] = k * i - a[i]; } cout << n - Lis(n) << en; return 0; }

컴파일 시 표준 에러 (stderr) 메시지

triusis.cpp: In function 'int Lis(int)':
triusis.cpp:19:25: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   19 |             int mid = l + r >> 1;
      |                       ~~^~~
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