oj.uz

Submission #164527

# Submission time Handle Problem Language Result Execution time Memory
164527 2019-11-21T09:33:49 Z balbit Dango Maker (JOI18_dango_maker) C++14
100 / 100
 927 ms 168276 KB 
#include <bits/stdc++.h>
using namespace std;
#define pii pair<int,int>
#define ll long long
#define f first
#define s second
#define FOR(i,a,b) for (int i = a; i<b; i++)
#define REP(i,n) FOR(i,0,n)
#define RREP(i,n) for (int i = n-1; i>=0; i--)
#define SZ(x) (int)(x.size())
#define ALL(x) x.begin(),x.end()
#define MX(a,b) a = max(a,(__typeof__(a))(b))
#define MN(a,b) a = min(a,(__typeof__(a))(b))
#define pb push_back
#ifdef BALBIT
#define IOS()
#define bug(x) cerr<<__LINE__<<' '<<#x<<": "<<x<<endl
#else
#define IOS() ios::sync_with_stdio(0),cin.tie(0)
#define endl '\n'
#define bug(x)
#endif

const ll mod = 1e9+7;
const int maxn = 3e3+5;
//const ll INF = 0x3f3f3f3f3f3f3f3f;
const int iinf = 0x3f3f3f3f;


	


char grd[maxn][maxn];

bool up[maxn][maxn];
bool rt[maxn][maxn];
int dp[maxn][maxn][2];



signed main(){
	IOS();
	int n, m; cin>>n>>m;
	
	REP(i,n) REP(j,m) cin>>grd[i][j];
	int nup = 0, nrt = 0;

	REP(i,n)REP(j,m){

		if(grd[i][j]=='G'){
			if (i && i!=n-1 && grd[i-1][j] == 'R' && grd[i+1][j]=='W' ) {
				up[i][j] = 1;
			}
			if (j && j!=m-1 && grd[i][j-1] == 'R' && grd[i][j+1]=='W' ) {
				rt[i][j] = 1;
			}
		}
	}

	vector<pii> st;
	REP(i,max(n,m)*2) REP(j,m){
		if (i-j < n &&i-j>=0) st.pb({i-j+1,j+1});
	}

	
	ll re = 0;
	for (pii & ele: st){
		int i = ele.f, j = ele.s;
//		cout<<i<<' '<<j<<endl;
		dp[i][j][0] = dp[i][j][1] = max(dp[i+1][j-1][0], dp[i+1][j-1][1]);
		if (up[i-1][j-1]) MX(dp[i][j][0] , 1 + dp[i+1][j-1][0]);
		if (rt[i-1][j-1]) MX(dp[i][j][1] , 1 + dp[i+1][j-1][1]);
		if (i==1 || j == m){
			re += max(dp[i][j][0], dp[i][j][1]);
		}
	}
//	REP(i,n+1) REP(j,m+1){
//		cout<<dp[i][j][0]<<" \n"[j==m];
//	}
	cout<<re<<endl;
	
}

Compilation message

dango_maker.cpp: In function 'int main()':
dango_maker.cpp:46:6: warning: unused variable 'nup' [-Wunused-variable]
  int nup = 0, nrt = 0;
      ^~~
dango_maker.cpp:46:15: warning: unused variable 'nrt' [-Wunused-variable]
  int nup = 0, nrt = 0;
               ^~~

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 248 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 6 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 9 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 248 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 6 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 9 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 504 KB Output is correct
21 Correct 2 ms 504 KB Output is correct
22 Correct 2 ms 504 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 504 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 504 KB Output is correct
28 Correct 3 ms 504 KB Output is correct
29 Correct 2 ms 504 KB Output is correct
30 Correct 2 ms 504 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 2 ms 504 KB Output is correct
34 Correct 2 ms 504 KB Output is correct
35 Correct 2 ms 504 KB Output is correct
36 Correct 2 ms 508 KB Output is correct
37 Correct 2 ms 504 KB Output is correct
38 Correct 2 ms 504 KB Output is correct
39 Correct 2 ms 504 KB Output is correct
40 Correct 2 ms 504 KB Output is correct
41 Correct 2 ms 504 KB Output is correct
42 Correct 2 ms 504 KB Output is correct
43 Correct 2 ms 504 KB Output is correct
44 Correct 2 ms 504 KB Output is correct
45 Correct 2 ms 504 KB Output is correct
46 Correct 2 ms 504 KB Output is correct
47 Correct 2 ms 504 KB Output is correct
48 Correct 2 ms 504 KB Output is correct
49 Correct 2 ms 504 KB Output is correct
50 Correct 2 ms 504 KB Output is correct
51 Correct 2 ms 504 KB Output is correct
52 Correct 2 ms 504 KB Output is correct
53 Correct 2 ms 504 KB Output is correct

Subtask #3
67.0 / 67.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 248 KB Output is correct
4 Correct 2 ms 376 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 376 KB Output is correct
7 Correct 6 ms 376 KB Output is correct
8 Correct 2 ms 376 KB Output is correct
9 Correct 2 ms 376 KB Output is correct
10 Correct 2 ms 376 KB Output is correct
11 Correct 2 ms 376 KB Output is correct
12 Correct 2 ms 376 KB Output is correct
13 Correct 2 ms 376 KB Output is correct
14 Correct 2 ms 376 KB Output is correct
15 Correct 9 ms 376 KB Output is correct
16 Correct 2 ms 376 KB Output is correct
17 Correct 2 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 2 ms 376 KB Output is correct
20 Correct 2 ms 504 KB Output is correct
21 Correct 2 ms 504 KB Output is correct
22 Correct 2 ms 504 KB Output is correct
23 Correct 2 ms 376 KB Output is correct
24 Correct 2 ms 504 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 376 KB Output is correct
27 Correct 2 ms 504 KB Output is correct
28 Correct 3 ms 504 KB Output is correct
29 Correct 2 ms 504 KB Output is correct
30 Correct 2 ms 504 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 376 KB Output is correct
33 Correct 2 ms 504 KB Output is correct
34 Correct 2 ms 504 KB Output is correct
35 Correct 2 ms 504 KB Output is correct
36 Correct 2 ms 508 KB Output is correct
37 Correct 2 ms 504 KB Output is correct
38 Correct 2 ms 504 KB Output is correct
39 Correct 2 ms 504 KB Output is correct
40 Correct 2 ms 504 KB Output is correct
41 Correct 2 ms 504 KB Output is correct
42 Correct 2 ms 504 KB Output is correct
43 Correct 2 ms 504 KB Output is correct
44 Correct 2 ms 504 KB Output is correct
45 Correct 2 ms 504 KB Output is correct
46 Correct 2 ms 504 KB Output is correct
47 Correct 2 ms 504 KB Output is correct
48 Correct 2 ms 504 KB Output is correct
49 Correct 2 ms 504 KB Output is correct
50 Correct 2 ms 504 KB Output is correct
51 Correct 2 ms 504 KB Output is correct
52 Correct 2 ms 504 KB Output is correct
53 Correct 2 ms 504 KB Output is correct
54 Correct 15 ms 504 KB Output is correct
55 Correct 30 ms 21752 KB Output is correct
56 Correct 16 ms 760 KB Output is correct
57 Correct 24 ms 23032 KB Output is correct
58 Correct 84 ms 28984 KB Output is correct
59 Correct 927 ms 168148 KB Output is correct
60 Correct 908 ms 168204 KB Output is correct
61 Correct 890 ms 168020 KB Output is correct
62 Correct 14 ms 504 KB Output is correct
63 Correct 848 ms 165712 KB Output is correct
64 Correct 796 ms 168024 KB Output is correct
65 Correct 799 ms 168276 KB Output is correct
66 Correct 805 ms 168276 KB Output is correct
67 Correct 778 ms 157528 KB Output is correct
68 Correct 762 ms 157540 KB Output is correct
69 Correct 798 ms 163788 KB Output is correct
70 Correct 80 ms 29012 KB Output is correct
71 Correct 77 ms 29012 KB Output is correct
72 Correct 77 ms 28964 KB Output is correct
73 Correct 83 ms 29012 KB Output is correct
74 Correct 81 ms 29012 KB Output is correct
75 Correct 78 ms 29012 KB Output is correct
76 Correct 78 ms 29016 KB Output is correct
77 Correct 79 ms 29068 KB Output is correct
78 Correct 77 ms 29012 KB Output is correct
79 Correct 80 ms 29160 KB Output is correct
80 Correct 78 ms 29012 KB Output is correct
81 Correct 77 ms 29060 KB Output is correct
82 Correct 78 ms 29012 KB Output is correct
83 Correct 78 ms 29012 KB Output is correct
84 Correct 76 ms 29012 KB Output is correct
85 Correct 79 ms 29012 KB Output is correct
86 Correct 76 ms 28952 KB Output is correct
87 Correct 78 ms 28932 KB Output is correct
88 Correct 77 ms 29012 KB Output is correct
89 Correct 77 ms 29012 KB Output is correct
90 Correct 77 ms 29012 KB Output is correct