Submission #158338

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
158338	2019-10-16 13:54:09	gemini_man	K blocks (IZhO14_blocks)	C++11	100 / 100	628 ms	85796 KiB

blocks

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#include <bits/stdc++.h>
#define up(i,a,b) for(int (i) = (a);(i)<=(b);++(i))
#define down(i,b,a) for(int (i) = (b);i>=(a);--i)
#define debug(x) cerr << (x) << '\n';
#define bits(x,i) ((x >> i) & 1)
using namespace std;
#define int long long
const int N = 100005;
const int K = 105;
const int INF = 2e9;
int n,k;
int dp[N][K];
int a[N];
signed main(){
  ios_base::sync_with_stdio(0); cin.tie(0);
  // freopen("BLOCKS_IZHO.inp", "r", stdin);
  // freopen("BLOCKS_IZHO.out", "w", stdout);
  cin >> n >> k;
  up(i,1,n) cin >> a[i];
  int curMax = 0;
  memset(dp, 0x3f, sizeof(dp));
  dp[0][1] = 0;
  up(i,1,n) dp[i][1] = max(dp[i-1][1], a[i]);
  for(int j = 2; j <= k ;++j){
    vector< pair<int,int> > sk; 
    for( int i = j;i <= n;++i){
      int minF = dp[i-1][j-1];
      // first = value
      // second = id
      while (!sk.empty() && a[sk.back().second] <= a[i]){
 
 
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Compilation message (stderr)

blocks.cpp: In function 'int main()':
blocks.cpp:20:6: warning: unused variable 'curMax' [-Wunused-variable]
  int curMax = 0;
      ^~~~~~

• Subtask 1: 14 / 14
• Subtask 2: 18 / 18
• Subtask 3: 21 / 21
• Subtask 4: 47 / 47