oj.uz

Submission #154486

# Submission time Handle Problem Language Result Execution time Memory
154486 2019-09-22T05:36:59 Z username Lamps (JOI19_lamps) C++14
100 / 100
 207 ms 28132 KB 
#include<bits/stdc++.h>
using namespace std;
#define REP(i,j,k) for(int i=(j);i<(k);++i)
#define MIN(x,y) (x=min(x,(y)))

const int maxn=1e6+9,inf=1e9;
int n,dp[maxn][2][3];
string a,b;

main(){
	cin>>n>>a>>b;
	a+='0',b+='0',++n;
	REP(i,0,n+1)REP(j,0,2)REP(k,0,3)dp[i][j][k]=inf;
	dp[0][0][2]=0;
	REP(i,0,n)REP(j,0,2)REP(k,0,2){
		MIN(dp[i+1][k][0],dp[i][j][2]+(!j&&k)+1);
		if(i)REP(l,0,2)REP(m,0,2){
			if(b[i-1]-'0'^j^b[i]-'0'^k^l^m^1)MIN(dp[i+1][k][l],dp[i][j][m]+(!j&&k)+(l==1&&m==0));
		}
		if(a[i]-'0'^b[i]-'0'^k^1)REP(l,0,3)MIN(dp[i+1][k][2],dp[i][j][l]+(!j&&k));
	}
	cout<<dp[n][0][2]<<endl;
}

Compilation message

lamp.cpp:10:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main(){
      ^
lamp.cpp: In function 'int main()':
lamp.cpp:18:13: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
    if(b[i-1]-'0'^j^b[i]-'0'^k^l^m^1)MIN(dp[i+1][k][l],dp[i][j][m]+(!j&&k)+(l==1&&m==0));
lamp.cpp:18:24: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
    if(b[i-1]-'0'^j^b[i]-'0'^k^l^m^1)MIN(dp[i+1][k][l],dp[i][j][m]+(!j&&k)+(l==1&&m==0));
lamp.cpp:20:10: warning: suggest parentheses around arithmetic in operand of '^' [-Wparentheses]
   if(a[i]-'0'^b[i]-'0'^k^1)REP(l,0,3)MIN(dp[i+1][k][2],dp[i][j][l]+(!j&&k));

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 256 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 3 ms 376 KB Output is correct
14 Correct 3 ms 256 KB Output is correct
15 Correct 2 ms 256 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 3 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 5 ms 376 KB Output is correct
20 Correct 2 ms 252 KB Output is correct
21 Correct 2 ms 348 KB Output is correct
22 Correct 2 ms 256 KB Output is correct
23 Correct 2 ms 256 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 256 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 256 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 256 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 376 KB Output is correct

Subtask #2
41.0 / 41.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 256 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 3 ms 376 KB Output is correct
14 Correct 3 ms 256 KB Output is correct
15 Correct 2 ms 256 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 3 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 5 ms 376 KB Output is correct
20 Correct 2 ms 252 KB Output is correct
21 Correct 2 ms 348 KB Output is correct
22 Correct 2 ms 256 KB Output is correct
23 Correct 2 ms 256 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 256 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 256 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 256 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 376 KB Output is correct
35 Correct 2 ms 376 KB Output is correct
36 Correct 3 ms 376 KB Output is correct
37 Correct 2 ms 376 KB Output is correct
38 Correct 3 ms 376 KB Output is correct
39 Correct 3 ms 376 KB Output is correct
40 Correct 3 ms 376 KB Output is correct
41 Correct 3 ms 376 KB Output is correct
42 Correct 3 ms 376 KB Output is correct
43 Correct 3 ms 376 KB Output is correct
44 Correct 3 ms 376 KB Output is correct
45 Correct 2 ms 376 KB Output is correct
46 Correct 3 ms 376 KB Output is correct
47 Correct 3 ms 376 KB Output is correct
48 Correct 3 ms 424 KB Output is correct
49 Correct 2 ms 376 KB Output is correct
50 Correct 3 ms 376 KB Output is correct
51 Correct 3 ms 376 KB Output is correct
52 Correct 3 ms 376 KB Output is correct
53 Correct 3 ms 376 KB Output is correct
54 Correct 3 ms 376 KB Output is correct
55 Correct 2 ms 376 KB Output is correct
56 Correct 3 ms 376 KB Output is correct
57 Correct 3 ms 376 KB Output is correct
58 Correct 0 ms 376 KB Output is correct

Subtask #3
4.0 / 4.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 400 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 424 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 3 ms 376 KB Output is correct
7 Correct 196 ms 27848 KB Output is correct
8 Correct 189 ms 27880 KB Output is correct
9 Correct 196 ms 27876 KB Output is correct
10 Correct 191 ms 27824 KB Output is correct
11 Correct 189 ms 27924 KB Output is correct
12 Correct 190 ms 27880 KB Output is correct
13 Correct 190 ms 28028 KB Output is correct
14 Correct 189 ms 27876 KB Output is correct

Subtask #4
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 256 KB Output is correct
2 Correct 2 ms 376 KB Output is correct
3 Correct 2 ms 376 KB Output is correct
4 Correct 2 ms 256 KB Output is correct
5 Correct 2 ms 376 KB Output is correct
6 Correct 2 ms 256 KB Output is correct
7 Correct 2 ms 256 KB Output is correct
8 Correct 2 ms 256 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 3 ms 376 KB Output is correct
14 Correct 3 ms 256 KB Output is correct
15 Correct 2 ms 256 KB Output is correct
16 Correct 2 ms 256 KB Output is correct
17 Correct 3 ms 376 KB Output is correct
18 Correct 2 ms 376 KB Output is correct
19 Correct 5 ms 376 KB Output is correct
20 Correct 2 ms 252 KB Output is correct
21 Correct 2 ms 348 KB Output is correct
22 Correct 2 ms 256 KB Output is correct
23 Correct 2 ms 256 KB Output is correct
24 Correct 2 ms 376 KB Output is correct
25 Correct 2 ms 376 KB Output is correct
26 Correct 2 ms 256 KB Output is correct
27 Correct 2 ms 376 KB Output is correct
28 Correct 2 ms 376 KB Output is correct
29 Correct 2 ms 256 KB Output is correct
30 Correct 2 ms 376 KB Output is correct
31 Correct 2 ms 376 KB Output is correct
32 Correct 2 ms 256 KB Output is correct
33 Correct 2 ms 376 KB Output is correct
34 Correct 2 ms 376 KB Output is correct
35 Correct 2 ms 376 KB Output is correct
36 Correct 3 ms 376 KB Output is correct
37 Correct 2 ms 376 KB Output is correct
38 Correct 3 ms 376 KB Output is correct
39 Correct 3 ms 376 KB Output is correct
40 Correct 3 ms 376 KB Output is correct
41 Correct 3 ms 376 KB Output is correct
42 Correct 3 ms 376 KB Output is correct
43 Correct 3 ms 376 KB Output is correct
44 Correct 3 ms 376 KB Output is correct
45 Correct 2 ms 376 KB Output is correct
46 Correct 3 ms 376 KB Output is correct
47 Correct 3 ms 376 KB Output is correct
48 Correct 3 ms 424 KB Output is correct
49 Correct 2 ms 376 KB Output is correct
50 Correct 3 ms 376 KB Output is correct
51 Correct 3 ms 376 KB Output is correct
52 Correct 3 ms 376 KB Output is correct
53 Correct 3 ms 376 KB Output is correct
54 Correct 3 ms 376 KB Output is correct
55 Correct 2 ms 376 KB Output is correct
56 Correct 3 ms 376 KB Output is correct
57 Correct 3 ms 376 KB Output is correct
58 Correct 0 ms 376 KB Output is correct
59 Correct 3 ms 400 KB Output is correct
60 Correct 2 ms 376 KB Output is correct
61 Correct 2 ms 424 KB Output is correct
62 Correct 2 ms 256 KB Output is correct
63 Correct 2 ms 376 KB Output is correct
64 Correct 3 ms 376 KB Output is correct
65 Correct 196 ms 27848 KB Output is correct
66 Correct 189 ms 27880 KB Output is correct
67 Correct 196 ms 27876 KB Output is correct
68 Correct 191 ms 27824 KB Output is correct
69 Correct 189 ms 27924 KB Output is correct
70 Correct 190 ms 27880 KB Output is correct
71 Correct 190 ms 28028 KB Output is correct
72 Correct 189 ms 27876 KB Output is correct
73 Correct 190 ms 27952 KB Output is correct
74 Correct 189 ms 27908 KB Output is correct
75 Correct 189 ms 27992 KB Output is correct
76 Correct 189 ms 27900 KB Output is correct
77 Correct 193 ms 27968 KB Output is correct
78 Correct 191 ms 28008 KB Output is correct
79 Correct 189 ms 27876 KB Output is correct
80 Correct 197 ms 27836 KB Output is correct
81 Correct 198 ms 28056 KB Output is correct
82 Correct 189 ms 28000 KB Output is correct
83 Correct 195 ms 27876 KB Output is correct
84 Correct 195 ms 28004 KB Output is correct
85 Correct 195 ms 28104 KB Output is correct
86 Correct 195 ms 27876 KB Output is correct
87 Correct 196 ms 28064 KB Output is correct
88 Correct 198 ms 28028 KB Output is correct
89 Correct 204 ms 27936 KB Output is correct
90 Correct 196 ms 27824 KB Output is correct
91 Correct 207 ms 28132 KB Output is correct
92 Correct 199 ms 27940 KB Output is correct
93 Correct 199 ms 27876 KB Output is correct
94 Correct 200 ms 28044 KB Output is correct
95 Correct 200 ms 27968 KB Output is correct
96 Correct 200 ms 27964 KB Output is correct
97 Correct 200 ms 27908 KB Output is correct
98 Correct 200 ms 27884 KB Output is correct
99 Correct 203 ms 27940 KB Output is correct
100 Correct 200 ms 27880 KB Output is correct
101 Correct 202 ms 28024 KB Output is correct
102 Correct 197 ms 28020 KB Output is correct