Submission #404246

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
404246	2021-05-14 02:41:29	lyc	조개 줍기 (KOI17_shell)	C++14	100 / 100	586 ms	35308 KiB

shell

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#include <bits/stdc++.h>
using namespace std;
#define TRACE(x) cerr << #x << " :: " << x << endl
#define _ << " " <<
#define SZ(x) (int)(x).size()
#define ALL(x) (x).begin(),(x).end()
#define FOR(i,a,b) for(int i=(a);i<=(b);++i)
#define RFOR(i,a,b) for (int i=(a);i>=(b);--i)
const int mxN = 1505;
int N, A[mxN][mxN], dp[mxN][mxN];
struct Fenwick {
    int ft[mxN];
    Fenwick() {
        memset(ft,0,sizeof ft);
    }
    void update(int a, int b) {
        for (; a <= N; a += a&-a) ft[a] += b;
    }
    void update(int a, int b, int c) {
        update(a,c);
        update(b+1,-c);
    }
 
 
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• Subtask 1: 12 / 12
• Subtask 2: 34 / 34
• Subtask 3: 54 / 54