Submission #49053

# Submission time Handle Problem Language Result Execution time Memory
49053 2018-05-21T14:39:45 Z Namnamseo Dango Maker (JOI18_dango_maker) C++17
100 / 100
380 ms 239944 KB
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int,int> pp;
typedef pair<ll,ll> pll;
void read(int& x){ scanf("%d",&x); }
void read(ll& x){ scanf("%lld",&x); }
template<typename T,typename... Args>
void read(T& a,Args&... b){ read(a); read(b...); }
#define all(x) (x).begin(),(x).end()
#define pb push_back
#define eb emplace_back
#define x first
#define y second

int n, m;
char s[3010][3010];

int dp[6010][3010][2];

bool is(int i, int j, char c){
	return 1<=i && i<=n && 1<=j && j<=m && s[i][j] == c;
}

int main()
{
	read(n, m);
	for(int i=1; i<=n; ++i) scanf("%s", s[i]+1);
	
	int ans = 0;
	for(int s=2; s<=n+m-2; ++s){
		int rm=0;
		for(int i=1; i<=n; ++i){
			dp[s][i][0] = max({dp[s][i][0], dp[s][i-1][0], dp[s][i-2][1]});
			dp[s][i][1] = max(dp[s][i][1], dp[s][i-1][1]);
			int j=s-i;
			if(j<1 || j>m) continue;
			if(is(i, j, 'R') && is(i, j+1, 'G') && is(i, j+2, 'W')){
				dp[s][i][0] = max(dp[s][i][0], dp[s][i-1][0]+1);
			}
			if(is(i, j, 'R') && is(i+1, j, 'G') && is(i+2, j, 'W')){
				dp[s][i][1] = max({dp[s][i][1], dp[s][i-1][1]+1, dp[s][i-1][0]+1});
			}
			rm=max({rm, dp[s][i][0], dp[s][i][1]});
		}
		//if(rm) printf("%d: rm %d\n", s, rm);
		ans += rm;
	}
	
	printf("%d\n", ans);
	return 0;
}

Compilation message

dango_maker.cpp: In function 'void read(int&)':
dango_maker.cpp:6:25: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
 void read(int& x){ scanf("%d",&x); }
                    ~~~~~^~~~~~~~~
dango_maker.cpp: In function 'void read(ll&)':
dango_maker.cpp:7:24: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
 void read(ll& x){ scanf("%lld",&x); }
                   ~~~~~^~~~~~~~~~~
dango_maker.cpp: In function 'int main()':
dango_maker.cpp:28:31: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i=1; i<=n; ++i) scanf("%s", s[i]+1);
                          ~~~~~^~~~~~~~~~~~~~
# Verdict Execution time Memory Grader output
1 Correct 3 ms 248 KB Output is correct
2 Correct 3 ms 488 KB Output is correct
3 Correct 2 ms 488 KB Output is correct
4 Correct 2 ms 516 KB Output is correct
5 Correct 3 ms 568 KB Output is correct
6 Correct 3 ms 664 KB Output is correct
7 Correct 2 ms 664 KB Output is correct
8 Correct 2 ms 768 KB Output is correct
9 Correct 2 ms 768 KB Output is correct
10 Correct 2 ms 768 KB Output is correct
11 Correct 2 ms 768 KB Output is correct
12 Correct 2 ms 780 KB Output is correct
13 Correct 2 ms 784 KB Output is correct
14 Correct 2 ms 788 KB Output is correct
15 Correct 2 ms 788 KB Output is correct
16 Correct 2 ms 796 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 248 KB Output is correct
2 Correct 3 ms 488 KB Output is correct
3 Correct 2 ms 488 KB Output is correct
4 Correct 2 ms 516 KB Output is correct
5 Correct 3 ms 568 KB Output is correct
6 Correct 3 ms 664 KB Output is correct
7 Correct 2 ms 664 KB Output is correct
8 Correct 2 ms 768 KB Output is correct
9 Correct 2 ms 768 KB Output is correct
10 Correct 2 ms 768 KB Output is correct
11 Correct 2 ms 768 KB Output is correct
12 Correct 2 ms 780 KB Output is correct
13 Correct 2 ms 784 KB Output is correct
14 Correct 2 ms 788 KB Output is correct
15 Correct 2 ms 788 KB Output is correct
16 Correct 2 ms 796 KB Output is correct
17 Correct 2 ms 800 KB Output is correct
18 Correct 2 ms 804 KB Output is correct
19 Correct 2 ms 808 KB Output is correct
20 Correct 3 ms 812 KB Output is correct
21 Correct 2 ms 820 KB Output is correct
22 Correct 2 ms 820 KB Output is correct
23 Correct 2 ms 824 KB Output is correct
24 Correct 3 ms 844 KB Output is correct
25 Correct 3 ms 864 KB Output is correct
26 Correct 2 ms 864 KB Output is correct
27 Correct 3 ms 928 KB Output is correct
28 Correct 2 ms 928 KB Output is correct
29 Correct 2 ms 928 KB Output is correct
30 Correct 2 ms 928 KB Output is correct
31 Correct 3 ms 928 KB Output is correct
32 Correct 3 ms 928 KB Output is correct
33 Correct 3 ms 928 KB Output is correct
34 Correct 4 ms 928 KB Output is correct
35 Correct 2 ms 928 KB Output is correct
36 Correct 3 ms 928 KB Output is correct
37 Correct 2 ms 928 KB Output is correct
38 Correct 3 ms 928 KB Output is correct
39 Correct 3 ms 928 KB Output is correct
40 Correct 3 ms 928 KB Output is correct
41 Correct 3 ms 928 KB Output is correct
42 Correct 2 ms 928 KB Output is correct
43 Correct 2 ms 928 KB Output is correct
44 Correct 2 ms 928 KB Output is correct
45 Correct 2 ms 928 KB Output is correct
46 Correct 3 ms 928 KB Output is correct
47 Correct 2 ms 928 KB Output is correct
48 Correct 2 ms 928 KB Output is correct
49 Correct 3 ms 928 KB Output is correct
50 Correct 3 ms 932 KB Output is correct
51 Correct 2 ms 936 KB Output is correct
52 Correct 4 ms 960 KB Output is correct
53 Correct 2 ms 960 KB Output is correct
# Verdict Execution time Memory Grader output
1 Correct 3 ms 248 KB Output is correct
2 Correct 3 ms 488 KB Output is correct
3 Correct 2 ms 488 KB Output is correct
4 Correct 2 ms 516 KB Output is correct
5 Correct 3 ms 568 KB Output is correct
6 Correct 3 ms 664 KB Output is correct
7 Correct 2 ms 664 KB Output is correct
8 Correct 2 ms 768 KB Output is correct
9 Correct 2 ms 768 KB Output is correct
10 Correct 2 ms 768 KB Output is correct
11 Correct 2 ms 768 KB Output is correct
12 Correct 2 ms 780 KB Output is correct
13 Correct 2 ms 784 KB Output is correct
14 Correct 2 ms 788 KB Output is correct
15 Correct 2 ms 788 KB Output is correct
16 Correct 2 ms 796 KB Output is correct
17 Correct 2 ms 800 KB Output is correct
18 Correct 2 ms 804 KB Output is correct
19 Correct 2 ms 808 KB Output is correct
20 Correct 3 ms 812 KB Output is correct
21 Correct 2 ms 820 KB Output is correct
22 Correct 2 ms 820 KB Output is correct
23 Correct 2 ms 824 KB Output is correct
24 Correct 3 ms 844 KB Output is correct
25 Correct 3 ms 864 KB Output is correct
26 Correct 2 ms 864 KB Output is correct
27 Correct 3 ms 928 KB Output is correct
28 Correct 2 ms 928 KB Output is correct
29 Correct 2 ms 928 KB Output is correct
30 Correct 2 ms 928 KB Output is correct
31 Correct 3 ms 928 KB Output is correct
32 Correct 3 ms 928 KB Output is correct
33 Correct 3 ms 928 KB Output is correct
34 Correct 4 ms 928 KB Output is correct
35 Correct 2 ms 928 KB Output is correct
36 Correct 3 ms 928 KB Output is correct
37 Correct 2 ms 928 KB Output is correct
38 Correct 3 ms 928 KB Output is correct
39 Correct 3 ms 928 KB Output is correct
40 Correct 3 ms 928 KB Output is correct
41 Correct 3 ms 928 KB Output is correct
42 Correct 2 ms 928 KB Output is correct
43 Correct 2 ms 928 KB Output is correct
44 Correct 2 ms 928 KB Output is correct
45 Correct 2 ms 928 KB Output is correct
46 Correct 3 ms 928 KB Output is correct
47 Correct 2 ms 928 KB Output is correct
48 Correct 2 ms 928 KB Output is correct
49 Correct 3 ms 928 KB Output is correct
50 Correct 3 ms 932 KB Output is correct
51 Correct 2 ms 936 KB Output is correct
52 Correct 4 ms 960 KB Output is correct
53 Correct 2 ms 960 KB Output is correct
54 Correct 17 ms 12980 KB Output is correct
55 Correct 117 ms 80360 KB Output is correct
56 Correct 15 ms 80360 KB Output is correct
57 Correct 62 ms 80360 KB Output is correct
58 Correct 59 ms 80360 KB Output is correct
59 Correct 380 ms 161112 KB Output is correct
60 Correct 363 ms 169800 KB Output is correct
61 Correct 365 ms 178500 KB Output is correct
62 Correct 16 ms 178500 KB Output is correct
63 Correct 363 ms 184860 KB Output is correct
64 Correct 314 ms 195952 KB Output is correct
65 Correct 294 ms 204792 KB Output is correct
66 Correct 335 ms 213476 KB Output is correct
67 Correct 330 ms 222440 KB Output is correct
68 Correct 348 ms 231196 KB Output is correct
69 Correct 338 ms 239944 KB Output is correct
70 Correct 49 ms 239944 KB Output is correct
71 Correct 47 ms 239944 KB Output is correct
72 Correct 49 ms 239944 KB Output is correct
73 Correct 47 ms 239944 KB Output is correct
74 Correct 57 ms 239944 KB Output is correct
75 Correct 58 ms 239944 KB Output is correct
76 Correct 59 ms 239944 KB Output is correct
77 Correct 42 ms 239944 KB Output is correct
78 Correct 42 ms 239944 KB Output is correct
79 Correct 43 ms 239944 KB Output is correct
80 Correct 50 ms 239944 KB Output is correct
81 Correct 51 ms 239944 KB Output is correct
82 Correct 48 ms 239944 KB Output is correct
83 Correct 50 ms 239944 KB Output is correct
84 Correct 48 ms 239944 KB Output is correct
85 Correct 46 ms 239944 KB Output is correct
86 Correct 49 ms 239944 KB Output is correct
87 Correct 44 ms 239944 KB Output is correct
88 Correct 46 ms 239944 KB Output is correct
89 Correct 59 ms 239944 KB Output is correct
90 Correct 62 ms 239944 KB Output is correct