Submission #56004

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
56004	2018-07-09 10:02:17	moonrabbit2	조개 줍기 (KOI17_shell)	C++11	100 / 100	563 ms	27324 KiB

shell

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#include <bits/stdc++.h>
#define N 1505
using namespace std;
typedef long long ll;
int n,x,y,d,a[N][N],ddp[N][N],tree[N][N],s[N],e[N];
ll ans;
char c;
// [s,e] add v
void add(int x,int s,int e,int v)
{
    for(;s<=n;s+=s&-s)
        tree[x][s]+=v;
    for(;e<=n;e+=e&-e)
        tree[x][e]-=v;
}
int dp(int x,int y)
{
    int res=ddp[x][y];
    for(;y;y-=y&-y)
        res+=tree[x][y];
    return res;
}
int main()
{
    ios::sync_with_stdio(false);
    cin.tie(0);
    cin>>n;
    for(int i=1;i<=n;i++){
        for(int j=1;j<=n;j++){
            cin>>a[i][j];
 
 
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• Subtask 1: 12 / 12
• Subtask 2: 34 / 34
• Subtask 3: 54 / 54