Submission #74477

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
74477	2018-09-02 07:21:48	gs18115	조개 줍기 (KOI17_shell)	C++14	100 / 100	903 ms	146608 KiB

shell

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#include<iostream>
using namespace std;
typedef long long LL;
const LL MAXN=1510;
const LL n=2048;
LL FT[MAXN][n+10];
LL N;
void FI(const LL&i,LL j,const LL&dif)
{
    if(i<=0||j<=0||i>N||j>N)
        return;
    for(;j<=n;j+=j&-j)
        FT[i][j]+=dif;
    return;
}
void FS(const LL&i,LL j,LL&SC)
{
    SC=0;
    if(i<=0||j<=0||i>N||j>N)
        return;
    for(;j>0;j=j&(j-1))
        SC+=FT[i][j];
    return;
}
LL arr[MAXN][MAXN];
LL dp[MAXN][MAXN];
LL S[MAXN],E[MAXN];
char C;
LL ch;
LL A,B;
 
 
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• Subtask 1: 12 / 12
• Subtask 2: 34 / 34
• Subtask 3: 54 / 54