제출 #238068

#제출 시각아이디문제언어결과실행 시간메모리
238068luciocfK개의 묶음 (IZhO14_blocks)C++14
0 / 100
10 ms4736 KiB
#include <bits/stdc++.h> #define ff first #define ss second using namespace std; typedef pair<int, int> pii; const int maxn = 1e5+10; const int maxk = 110; const int inf = 1e9+10; int n, k; int a[maxn]; int mn[maxk]; int dp[maxn][maxk]; stack<pii> stk[maxk]; int main(void) { scanf("%d %d", &n, &k); for (int i = 1; i <= n; i++) scanf("%d", &a[i]); for (int i = 1; i <= k; i++) mn[i] = inf; for (int i = 1; i <= n; i++) { for (int j = 1; j <= min(k, i); j++) { while (stk[j].size() && stk[j].top().ff <= a[i]) { mn[j] = min(mn[j], dp[stk[j].top().ss][j-1]); stk[j].pop(); } stk[j].push({a[i], i}); mn[j] = min(mn[j], dp[i-1][j-1]); if (a[i] <= a[i-1]) dp[i][j] = min(a[i]+mn[j], dp[i-1][j]); else dp[i][j] = a[i]+mn[j]; } } printf("%d\n", dp[n][k]); }

컴파일 시 표준 에러 (stderr) 메시지

blocks.cpp: In function 'int main()':
blocks.cpp:25:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d %d", &n, &k);
  ~~~~~^~~~~~~~~~~~~~~~~
blocks.cpp:28:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &a[i]);
   ~~~~~^~~~~~~~~~~~~
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...
#Verdict Execution timeMemoryGrader output
Fetching results...