제출 #485346

#제출 시각아이디문제언어결과실행 시간메모리
485346silverfoxK개의 묶음 (IZhO14_blocks)C++14
53 / 100
1093 ms5740 KiB
#include <bits/stdc++.h> using namespace std; const long long maxn = 1e5; const long long maxk = 1e2; long long a[maxn+1]; long long f[maxn+1][maxk+1]; const long long oo = 1e16; int main() { long long n,k; cin >> n >> k; for (long long i = 1; i <= n; i++) {cin >> a[i];} /*for (long long i = 1; i <= k; i++) { if (i == 1) {f[1][i] = a[1];} else {f[1][i] = +oo;} }*/ for (int i = 0; i <= k; i++) { f[0][i] = +oo; } long long totalMax = -1; for (long long i = 1; i <= n; i++) { totalMax = max(totalMax, a[i]); for (long long j = 1; j <= k; j++) { f[i][j] = +oo; if (j > i) {continue;} if (j == 1) { f[i][j] = totalMax; continue; } long long curMax = a[i]; for (long long x = i-1; x >= 1; x--) { f[i][j] = min(f[i][j], f[x][j-1] + curMax); curMax = max(curMax, a[x]); } } } cout << f[n][k]; }
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