#pragma GCC optimize("O3")
#define MIN(x,y) (x=min(x,(y)))
#define MAX(x,y) (x=max(x,(y)))
/*****************************************************************************/
#include<bits/stdc++.h>
using namespace std;
typedef pair<int,int> pii;
#define REP(i,j,k) for(int i=(j);i<(k);++i)
#define RREP(i,j,k) for(int i=int(j)-1;i>=(k);--i)
#define ALL(a) a.begin(),a.end()
#define pb push_back
#define f first
#define s second
#define endl '\n'
// #define __debug
#ifdef __debug
#define IOS (void)0
#define de(...) cerr<<__VA_ARGS__
#define ar(a,s,t) {REP(__i,s,t)de(a[__i]<<' ');de(endl);}
#else
#define IOS cin.tie(0),cout.tie(0),ios_base::sync_with_stdio(false)
#define de(...) (void)0
#define ar(...) (void)0
#endif
/***********************************default***********************************/
const int maxn=1e6+9,inf=1e9;
int n,a[maxn],b[maxn],dp[maxn][2][3];
main(){
IOS;
cin>>n;
REP(i,0,n){
char c;cin>>c;
a[i]=c-'0';
}
REP(i,0,n){
char c;cin>>c;
b[i]=c-'0';
}
a[n]=b[n]=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]^j^b[i]^k^l^m)==0){
MIN(dp[i+1][k][l],dp[i][j][m]+(!j&&k)+(l==1&&m==0));
}
}
}
if(a[i]==(b[i]^k))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:29:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
main(){
^
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 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 |
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 |
3 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
504 KB |
Output is correct |
10 |
Correct |
2 ms |
372 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 |
380 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
3 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 |
376 KB |
Output is correct |
21 |
Correct |
2 ms |
376 KB |
Output is correct |
22 |
Correct |
2 ms |
376 KB |
Output is correct |
23 |
Correct |
2 ms |
376 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 |
376 KB |
Output is correct |
27 |
Correct |
2 ms |
376 KB |
Output is correct |
28 |
Correct |
2 ms |
376 KB |
Output is correct |
29 |
Correct |
3 ms |
504 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 |
376 KB |
Output is correct |
33 |
Correct |
2 ms |
376 KB |
Output is correct |
34 |
Correct |
2 ms |
380 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 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 |
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 |
3 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
504 KB |
Output is correct |
10 |
Correct |
2 ms |
372 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 |
380 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
3 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 |
376 KB |
Output is correct |
21 |
Correct |
2 ms |
376 KB |
Output is correct |
22 |
Correct |
2 ms |
376 KB |
Output is correct |
23 |
Correct |
2 ms |
376 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 |
376 KB |
Output is correct |
27 |
Correct |
2 ms |
376 KB |
Output is correct |
28 |
Correct |
2 ms |
376 KB |
Output is correct |
29 |
Correct |
3 ms |
504 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 |
376 KB |
Output is correct |
33 |
Correct |
2 ms |
376 KB |
Output is correct |
34 |
Correct |
2 ms |
380 KB |
Output is correct |
35 |
Correct |
2 ms |
376 KB |
Output is correct |
36 |
Correct |
3 ms |
380 KB |
Output is correct |
37 |
Correct |
2 ms |
376 KB |
Output is correct |
38 |
Correct |
2 ms |
376 KB |
Output is correct |
39 |
Correct |
2 ms |
376 KB |
Output is correct |
40 |
Correct |
2 ms |
376 KB |
Output is correct |
41 |
Correct |
2 ms |
376 KB |
Output is correct |
42 |
Correct |
2 ms |
376 KB |
Output is correct |
43 |
Correct |
5 ms |
504 KB |
Output is correct |
44 |
Correct |
3 ms |
504 KB |
Output is correct |
45 |
Correct |
3 ms |
504 KB |
Output is correct |
46 |
Correct |
3 ms |
504 KB |
Output is correct |
47 |
Correct |
3 ms |
376 KB |
Output is correct |
48 |
Correct |
2 ms |
376 KB |
Output is correct |
49 |
Correct |
2 ms |
376 KB |
Output is correct |
50 |
Correct |
2 ms |
552 KB |
Output is correct |
51 |
Correct |
2 ms |
504 KB |
Output is correct |
52 |
Correct |
3 ms |
376 KB |
Output is correct |
53 |
Correct |
2 ms |
376 KB |
Output is correct |
54 |
Correct |
2 ms |
376 KB |
Output is correct |
55 |
Correct |
2 ms |
380 KB |
Output is correct |
56 |
Correct |
1 ms |
376 KB |
Output is correct |
57 |
Correct |
2 ms |
504 KB |
Output is correct |
58 |
Correct |
2 ms |
504 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 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 |
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 |
74 ms |
33656 KB |
Output is correct |
8 |
Correct |
75 ms |
33656 KB |
Output is correct |
9 |
Correct |
76 ms |
33644 KB |
Output is correct |
10 |
Correct |
76 ms |
33628 KB |
Output is correct |
11 |
Correct |
75 ms |
33680 KB |
Output is correct |
12 |
Correct |
76 ms |
33568 KB |
Output is correct |
13 |
Correct |
76 ms |
33656 KB |
Output is correct |
14 |
Correct |
76 ms |
33656 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 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 |
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 |
3 ms |
376 KB |
Output is correct |
8 |
Correct |
2 ms |
376 KB |
Output is correct |
9 |
Correct |
2 ms |
504 KB |
Output is correct |
10 |
Correct |
2 ms |
372 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 |
380 KB |
Output is correct |
14 |
Correct |
2 ms |
376 KB |
Output is correct |
15 |
Correct |
3 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 |
376 KB |
Output is correct |
21 |
Correct |
2 ms |
376 KB |
Output is correct |
22 |
Correct |
2 ms |
376 KB |
Output is correct |
23 |
Correct |
2 ms |
376 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 |
376 KB |
Output is correct |
27 |
Correct |
2 ms |
376 KB |
Output is correct |
28 |
Correct |
2 ms |
376 KB |
Output is correct |
29 |
Correct |
3 ms |
504 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 |
376 KB |
Output is correct |
33 |
Correct |
2 ms |
376 KB |
Output is correct |
34 |
Correct |
2 ms |
380 KB |
Output is correct |
35 |
Correct |
2 ms |
376 KB |
Output is correct |
36 |
Correct |
3 ms |
380 KB |
Output is correct |
37 |
Correct |
2 ms |
376 KB |
Output is correct |
38 |
Correct |
2 ms |
376 KB |
Output is correct |
39 |
Correct |
2 ms |
376 KB |
Output is correct |
40 |
Correct |
2 ms |
376 KB |
Output is correct |
41 |
Correct |
2 ms |
376 KB |
Output is correct |
42 |
Correct |
2 ms |
376 KB |
Output is correct |
43 |
Correct |
5 ms |
504 KB |
Output is correct |
44 |
Correct |
3 ms |
504 KB |
Output is correct |
45 |
Correct |
3 ms |
504 KB |
Output is correct |
46 |
Correct |
3 ms |
504 KB |
Output is correct |
47 |
Correct |
3 ms |
376 KB |
Output is correct |
48 |
Correct |
2 ms |
376 KB |
Output is correct |
49 |
Correct |
2 ms |
376 KB |
Output is correct |
50 |
Correct |
2 ms |
552 KB |
Output is correct |
51 |
Correct |
2 ms |
504 KB |
Output is correct |
52 |
Correct |
3 ms |
376 KB |
Output is correct |
53 |
Correct |
2 ms |
376 KB |
Output is correct |
54 |
Correct |
2 ms |
376 KB |
Output is correct |
55 |
Correct |
2 ms |
380 KB |
Output is correct |
56 |
Correct |
1 ms |
376 KB |
Output is correct |
57 |
Correct |
2 ms |
504 KB |
Output is correct |
58 |
Correct |
2 ms |
504 KB |
Output is correct |
59 |
Correct |
2 ms |
376 KB |
Output is correct |
60 |
Correct |
2 ms |
376 KB |
Output is correct |
61 |
Correct |
2 ms |
376 KB |
Output is correct |
62 |
Correct |
2 ms |
376 KB |
Output is correct |
63 |
Correct |
2 ms |
376 KB |
Output is correct |
64 |
Correct |
2 ms |
376 KB |
Output is correct |
65 |
Correct |
74 ms |
33656 KB |
Output is correct |
66 |
Correct |
75 ms |
33656 KB |
Output is correct |
67 |
Correct |
76 ms |
33644 KB |
Output is correct |
68 |
Correct |
76 ms |
33628 KB |
Output is correct |
69 |
Correct |
75 ms |
33680 KB |
Output is correct |
70 |
Correct |
76 ms |
33568 KB |
Output is correct |
71 |
Correct |
76 ms |
33656 KB |
Output is correct |
72 |
Correct |
76 ms |
33656 KB |
Output is correct |
73 |
Correct |
77 ms |
33664 KB |
Output is correct |
74 |
Correct |
74 ms |
33656 KB |
Output is correct |
75 |
Correct |
76 ms |
33528 KB |
Output is correct |
76 |
Correct |
75 ms |
33656 KB |
Output is correct |
77 |
Correct |
75 ms |
33648 KB |
Output is correct |
78 |
Correct |
76 ms |
33564 KB |
Output is correct |
79 |
Correct |
74 ms |
33628 KB |
Output is correct |
80 |
Correct |
75 ms |
33648 KB |
Output is correct |
81 |
Correct |
76 ms |
33400 KB |
Output is correct |
82 |
Correct |
75 ms |
33592 KB |
Output is correct |
83 |
Correct |
81 ms |
33656 KB |
Output is correct |
84 |
Correct |
80 ms |
33644 KB |
Output is correct |
85 |
Correct |
85 ms |
33528 KB |
Output is correct |
86 |
Correct |
82 ms |
33700 KB |
Output is correct |
87 |
Correct |
90 ms |
33644 KB |
Output is correct |
88 |
Correct |
71 ms |
33648 KB |
Output is correct |
89 |
Correct |
87 ms |
33608 KB |
Output is correct |
90 |
Correct |
81 ms |
33556 KB |
Output is correct |
91 |
Correct |
83 ms |
33648 KB |
Output is correct |
92 |
Correct |
84 ms |
33528 KB |
Output is correct |
93 |
Correct |
92 ms |
33628 KB |
Output is correct |
94 |
Correct |
85 ms |
33656 KB |
Output is correct |
95 |
Correct |
86 ms |
33644 KB |
Output is correct |
96 |
Correct |
87 ms |
33528 KB |
Output is correct |
97 |
Correct |
92 ms |
33528 KB |
Output is correct |
98 |
Correct |
85 ms |
33656 KB |
Output is correct |
99 |
Correct |
85 ms |
33528 KB |
Output is correct |
100 |
Correct |
85 ms |
33528 KB |
Output is correct |
101 |
Correct |
87 ms |
33600 KB |
Output is correct |
102 |
Correct |
85 ms |
33528 KB |
Output is correct |