Submission #1868109


Source Code Expand

#include <iostream>
#include <cstdio>
#include <cstring>

using namespace std;

const int N = 102;

short f[N][N][N][N] , s1[N][N] , s2[N][N];
char s[N][N];
int n , m;

int main(){
	cin >> n >> m;
	for(int i = 1 ; i <= n ; ++ i)
		cin >> (s[i] + 1);
	int px , py;
	for(int i = 1 ; i <= n ; ++ i)
		for(int j = 1 ; j <= m ; ++ j)
			if(s[i][j] == 'E'){
				px = i;
				py = j;
				break;
			}
	for(int i = 1 ; i <= n ; ++ i)
		for(int j = 1 ; j <= m ; ++ j)
			s1[i][j] = s1[i][j - 1] + (short)(s[i][j] == 'o');
	for(int i = 1 ; i <= n ; ++ i)
		for(int j = 1 ; j <= m ; ++ j)
			s2[i][j] = s2[i - 1][j] + (short)(s[i][j] == 'o');
	memset(f , -1 , sizeof f);
	f[px][px][py][py] = 0;
	short ans = 0;
	for(int i = px ; i >= 1 ; -- i)
		for(int j = px ; j <= n ; ++ j)
			for(int k = py ; k >= 1 ; -- k)
				for(int t = py ; t <= m ; ++ t){
					if(f[i][j][k][t] == -1) continue;					
					if(i > 1 && i > j - px + 1) f[i - 1][j][k][t] = max(f[i - 1][j][k][t] , (short)(f[i][j][k][t] + s1[i - 1][t] - s1[i - 1][k - 1]));
					if(j < n && j < n - (px - i)) f[i][j + 1][k][t] = max(f[i][j + 1][k][t] , (short)(f[i][j][k][t] + s1[i + 1][t] - s1[i - 1][k - 1]));
					if(k > 1 && k > t - py + 1) f[i][j][k - 1][t] = max(f[i][j][k - 1][t] , (short)(f[i][j][k][t] + s2[j][k - 1] - s2[i - 1][k - 1]));
					if(t < m && t < m - (py - k)) f[i][j][k][t + 1] = max(f[i][j][k][t + 1] , (short)(f[i][j][k][t] + s2[j][t + 1] - s2[i - 1][t + 1]));
					ans = max(ans , f[i][j][k][t]);
				}
	cout << ans << endl;				
	return 0;
}

Submission Info

Submission Time
Task E - Salvage Robots
User Rchen
Language C++14 (GCC 5.4.1)
Score 0
Code Size 1556 Byte
Status WA
Exec Time 81 ms
Memory 211840 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 0 / 1400
Status
AC × 4
AC × 4
WA × 72
Set Name Test Cases
Sample 0_00.txt, 0_01.txt, 0_02.txt, 0_03.txt
All 0_00.txt, 0_01.txt, 0_02.txt, 0_03.txt, 1_00.txt, 1_01.txt, 1_02.txt, 1_03.txt, 1_04.txt, 1_05.txt, 1_06.txt, 1_07.txt, 1_08.txt, 1_09.txt, 1_10.txt, 1_11.txt, 1_12.txt, 1_13.txt, 1_14.txt, 1_15.txt, 1_16.txt, 1_17.txt, 1_18.txt, 1_19.txt, 1_20.txt, 1_21.txt, 1_22.txt, 1_23.txt, 1_24.txt, 1_25.txt, 1_26.txt, 1_27.txt, 1_28.txt, 1_29.txt, 1_30.txt, 1_31.txt, 1_32.txt, 1_33.txt, 1_34.txt, 1_35.txt, 1_36.txt, 1_37.txt, 1_38.txt, 1_39.txt, 1_40.txt, 1_41.txt, 1_42.txt, 1_43.txt, 1_44.txt, 1_45.txt, 1_46.txt, 1_47.txt, 1_48.txt, 1_49.txt, 1_50.txt, 1_51.txt, 1_52.txt, 1_53.txt, 1_54.txt, 1_55.txt, 1_56.txt, 1_57.txt, 1_58.txt, 1_59.txt, 1_60.txt, 1_61.txt, 1_62.txt, 1_63.txt, 1_64.txt, 1_65.txt, 1_66.txt, 1_67.txt, 1_68.txt, 1_69.txt, 1_70.txt, 1_71.txt
Case Name Status Exec Time Memory
0_00.txt AC 52 ms 211712 KB
0_01.txt AC 52 ms 211712 KB
0_02.txt AC 52 ms 211712 KB
0_03.txt AC 52 ms 211712 KB
1_00.txt WA 52 ms 211712 KB
1_01.txt WA 52 ms 211712 KB
1_02.txt WA 52 ms 211712 KB
1_03.txt WA 52 ms 211712 KB
1_04.txt WA 52 ms 211712 KB
1_05.txt WA 53 ms 211712 KB
1_06.txt WA 52 ms 211712 KB
1_07.txt WA 53 ms 211712 KB
1_08.txt WA 78 ms 211712 KB
1_09.txt WA 60 ms 211712 KB
1_10.txt WA 57 ms 211712 KB
1_11.txt WA 62 ms 211712 KB
1_12.txt WA 71 ms 211712 KB
1_13.txt WA 56 ms 211712 KB
1_14.txt WA 63 ms 211712 KB
1_15.txt WA 56 ms 211712 KB
1_16.txt WA 72 ms 211840 KB
1_17.txt WA 59 ms 211712 KB
1_18.txt WA 58 ms 211712 KB
1_19.txt WA 69 ms 211712 KB
1_20.txt WA 67 ms 211712 KB
1_21.txt WA 73 ms 211712 KB
1_22.txt WA 70 ms 211712 KB
1_23.txt WA 58 ms 211712 KB
1_24.txt WA 53 ms 211712 KB
1_25.txt WA 53 ms 211712 KB
1_26.txt WA 53 ms 211712 KB
1_27.txt WA 53 ms 211712 KB
1_28.txt WA 53 ms 211712 KB
1_29.txt WA 56 ms 211712 KB
1_30.txt WA 56 ms 211712 KB
1_31.txt WA 54 ms 211712 KB
1_32.txt WA 54 ms 211712 KB
1_33.txt WA 53 ms 211712 KB
1_34.txt WA 53 ms 211712 KB
1_35.txt WA 57 ms 211712 KB
1_36.txt WA 55 ms 211712 KB
1_37.txt WA 52 ms 211712 KB
1_38.txt WA 52 ms 211712 KB
1_39.txt WA 54 ms 211712 KB
1_40.txt WA 81 ms 211712 KB
1_41.txt WA 78 ms 211712 KB
1_42.txt WA 73 ms 211712 KB
1_43.txt WA 77 ms 211712 KB
1_44.txt WA 75 ms 211712 KB
1_45.txt WA 80 ms 211712 KB
1_46.txt WA 81 ms 211712 KB
1_47.txt WA 76 ms 211712 KB
1_48.txt WA 77 ms 211712 KB
1_49.txt WA 79 ms 211712 KB
1_50.txt WA 75 ms 211712 KB
1_51.txt WA 77 ms 211712 KB
1_52.txt WA 78 ms 211712 KB
1_53.txt WA 81 ms 211712 KB
1_54.txt WA 79 ms 211712 KB
1_55.txt WA 77 ms 211712 KB
1_56.txt WA 72 ms 211712 KB
1_57.txt WA 78 ms 211712 KB
1_58.txt WA 73 ms 211712 KB
1_59.txt WA 72 ms 211712 KB
1_60.txt WA 74 ms 211712 KB
1_61.txt WA 64 ms 211712 KB
1_62.txt WA 75 ms 211712 KB
1_63.txt WA 73 ms 211712 KB
1_64.txt WA 65 ms 211712 KB
1_65.txt WA 69 ms 211712 KB
1_66.txt WA 71 ms 211712 KB
1_67.txt WA 69 ms 211712 KB
1_68.txt WA 73 ms 211712 KB
1_69.txt WA 69 ms 211712 KB
1_70.txt WA 73 ms 211712 KB
1_71.txt WA 71 ms 211712 KB