Submission #18551

#	Time	Username	Problem	Language	Result	Execution time	Memory
18551		eaststar	Global Warming (NOI13_gw)	C++14	40 / 40	314 ms	12800 KiB

gw

#include <stdio.h>
#include <algorithm>
using namespace std;
struct data{
    int h,i;
    bool operator<(const data&r)const{
        return h<r.h;
    }
}a[1000010];
int chk[1000010],ans,s=1;
int main(){
    int i,n;
    scanf("%d",&n);
    for(i=1;i<=n;++i)scanf("%d",&a[i].h),a[i].i=i,chk[i]=1;
    sort(a+1,a+n+1);
    for(i=1;i<=n;++i){
        chk[a[i].i]=0;
        s+=chk[a[i].i-1]+chk[a[i].i+1]-1;
        if(a[i].h!=a[i+1].h&&ans<s)ans=s;
    }
    printf("%d",ans);
    return 0;
}

• Subtask 1: 6 / 6
• Subtask 2: 6 / 6
• Subtask 3: 7 / 7
• Subtask 4: 10 / 10
• Subtask 5: 11 / 11