Submission #998676

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Source Code Expand

#include <bits/stdc++.h>
using namespace std;

const long long INF=1000000000000000000ll;

void slidemin(int n,int m,long long *A,long long *B)
{
  deque<int> Q;
  for(int i=0;i<n;i++){
    B[i]=(Q.empty()?INF:A[Q.front()]);
    while(!Q.empty()&&A[Q.back()]>=A[i]){
      Q.pop_back();
    }
    Q.push_back(i);
    if(i>=m&&Q.front()==i-m){
      Q.pop_front();
    }
  }
}

int main()
{
  int n,m,k;
  scanf("%d%d%d",&n,&m,&k);
  static long long a[100000];
  for(int i=0;i<n;i++){
    scanf("%d",a+i);
  }
  static long long X[2][100000];
  bool b=0;
  for(int j=0;j<n;j++){
    X[b][j]=-a[j];
  }
  for(int i=2;i<=k;i++){
    slidemin(n,m,X[b],X[!b]);
    for(int j=0;j<n;j++){
      X[!b][j]-=i*a[j];
      //printf("%d %d %lld\n",i,j,X[!b][j]);
    }
    b=!b;
  }
  long long ans=-INF;
  for(int i=0;i<n;i++){
    ans=max(ans,-X[b][i]);
  }
  printf("%lld\n",ans);
  return 0;
}

Submission Info

Compile Error

./Main.cpp: In function ‘int main()’:
./Main.cpp:27:19: warning: format ‘%d’ expects argument of type ‘int*’, but argument 2 has type ‘long long int*’ [-Wformat=]
     scanf("%d",a+i);
                   ^
./Main.cpp:24:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d%d",&n,&m,&k);
                           ^
./Main.cpp:27:20: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d",a+i);
                    ^

Judge Result