제출 #403420

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
403420	2021-05-13 07:14:21	lyc	조개 줍기 (KOI17_shell)	C++14	46 / 100	512 ms	18096 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)
typedef pair<int,int> ii;
const int mxN = 1505;
int N, A[mxN][mxN], B[mxN][mxN], up[mxN][mxN], S;
int main() {
    ios::sync_with_stdio(false); cin.tie(0); cout.tie(0);
    cin >> N;
    FOR(i,1,N){
        FOR(j,1,N){
            cin >> A[i][j];
            B[i][j] = max(B[i-1][j], B[i][j-1]) + A[i][j];
            S += B[i][j];
        }
    }
    cout << S << '\n';
 
 
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• Subtask 1: 12 / 12
• Subtask 2: 34 / 34
• Subtask 3: 0 / 54