제출 #1304789

#제출 시각아이디문제언어결과실행 시간메모리
1304789maithedungK개의 묶음 (IZhO14_blocks)C++20
100 / 100
162 ms80964 KiB
#include <bits/stdc++.h> using namespace std; #define int long long #define endl '\n' #define fast ios_base::sync_with_stdio(false), cin.tie(0), cout.tie(0) #define exit return 0 #define cap pair<int,int> #define fi first #define se second #define pb push_back #define FOR(i,l,r) for(int i=l;i<=r;i++) #define FOD(i,r,l) for(int i=r;i>=l;i--) #define fill(f,x) memset(f,x,sizeof(f)) #define lcm(a,b) (a/__gcd(a,b)*b) #define TIME 1.0 * clock() / CLOCKS_PER_SEC int F[105][100005]; int A[1000005]; signed main() { fast; int n,k; cin>>n>>k; FOR(i,0,n) FOR(j,0,k) F[j][i]=1e18; F[0][0]=0; FOR(i,1,n) cin>>A[i]; // for (int i = 1; i <= n; ++i) F[1][i] = max(F[1][i - 1], A[i]); FOR(i,1,k) { deque<cap> q; FOR(j,1,n) { int minf=F[i-1][j-1]; while(q.size() && A[q.back().second]<=A[j]) { minf=min(minf,q.back().first); q.pop_back(); } if(q.size()) F[i][j]=min(F[i][q.back().second],minf+A[j]); else F[i][j]=minf+A[j]; q.push_back({minf,j}); } } cout<<F[k][n]; exit; } /* ░▒▓███████▓▒░░▒▓█▓▒░░▒▓█▓▒░▒▓███████▓▒░ ░▒▓██████▓▒░ ░▒▓█▓▒░░▒▓█▓▒░▒▓█▓▒░░▒▓█▓▒░▒▓█▓▒░░▒▓█▓▒░▒▓█▓▒░░▒▓█▓▒░ ░▒▓█▓▒░░▒▓█▓▒░▒▓█▓▒░░▒▓█▓▒░▒▓█▓▒░░▒▓█▓▒░▒▓█▓▒░ ░▒▓█▓▒░░▒▓█▓▒░▒▓█▓▒░░▒▓█▓▒░▒▓█▓▒░░▒▓█▓▒░▒▓█▓▒▒▓███▓▒░ ░▒▓█▓▒░░▒▓█▓▒░▒▓█▓▒░░▒▓█▓▒░▒▓█▓▒░░▒▓█▓▒░▒▓█▓▒░░▒▓█▓▒░ ░▒▓█▓▒░░▒▓█▓▒░▒▓█▓▒░░▒▓█▓▒░▒▓█▓▒░░▒▓█▓▒░▒▓█▓▒░░▒▓█▓▒░ ░▒▓███████▓▒░ ░▒▓██████▓▒░░▒▓█▓▒░░▒▓█▓▒░░▒▓██████▓▒░ */
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