제출 #1235001

#제출 시각아이디문제언어결과실행 시간메모리
1235001badge881Global Warming (CEOI18_glo)C++20
100 / 100
41 ms2508 KiB
#include <bits/stdc++.h> using namespace std; int main() { int n, d; scanf("%d%d\n", &n, &d); int a[n], p[n]; vector<int> lis; for (int i = 0; i < n; i++) { scanf("%d\n", &a[i]); size_t ind = lower_bound(lis.begin(), lis.end(), a[i]) - lis.begin(); if (ind == lis.size()) lis.push_back(a[i]); else lis[ind] = a[i]; p[i] = ind + 1; } int ans = lis.size(); lis.clear(); for (int i = n - 1; i >= 0; i--) { size_t ind = lower_bound(lis.begin(), lis.end(), -a[i]) - lis.begin(); if (ind == lis.size()) lis.push_back(-a[i]); else lis[ind] = -a[i]; if (i == 0) continue; int k = lower_bound(lis.begin(), lis.end(), d - a[i - 1]) - lis.begin(); ans = max(ans, k + p[i - 1]); } printf("%d\n", ans); return 0; }

컴파일 시 표준 에러 (stderr) 메시지

glo.cpp: In function 'int main()':
glo.cpp:6:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
    6 |     scanf("%d%d\n", &n, &d);
      |     ~~~~~^~~~~~~~~~~~~~~~~~
glo.cpp:11:14: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   11 |         scanf("%d\n", &a[i]);
      |         ~~~~~^~~~~~~~~~~~~~~
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