oj.uz

답안 #429078

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
429078 2021-06-15T17:14:16 Z amunduzbaev Lamps (JOI19_lamps) C++14
100 / 100
 214 ms 80744 KB 
/* made by amunduzbaev */
 
#include "bits/stdc++.h"
 
using namespace std;
 
//~ #include <ext/pb_ds/assoc_container.hpp>
//~ #include <ext/pb_ds/tree_policy.hpp>
//~ using namespace __gnu_pbds;
//~ template<class T> using oset = tree<T, 
//~ null_type, less_equal<T>, rb_tree_tag, 
//~ tree_order_statistics_node_update>;
 
#define ff first
#define ss second
#define pb push_back
#define mp make_pair
#define ub upper_bound
#define lb lower_bound
#define sz(x) (int)x.size()
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(),x.rend()
#define NeedForSpeed ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define vv vector
#define mem(arr, v) memset(arr, v, sizeof arr)
#define int long long
#define degub(x) cout<<#x<<" : "<<x<<"\n"
#define GG cout<<"here"<<endl;
 
typedef long long ll;
typedef long double ld;
typedef pair<int, int> pii; 
typedef vector<int> vii;
typedef vector<pii> vpii;
template<class T> bool umin(T& a, const T& b) { return a > b ? a = b, true : false; }
template<class T> bool umax(T& a, const T& b) { return a < b ? a = b, true : false; }
template<int sz> using tut = array<int, sz>;
void usaco(string s) { freopen((s+".in").c_str(),"r",stdin);  
	freopen((s+".out").c_str(),"w",stdout); NeedForSpeed }
 
const int N = 1e6+5;
const int mod = 1e9+7;
const ll inf = 1e18;
const ld Pi = acos(-1);
 
#define MULTI 0
int n, m, k, s, t, q, ans, res, a[N];
int dp[N][2][2][2], b[N];

void solve(int t_case){
	cin>>n;
	for(int i=1;i<=n;i++) { char c; cin>>c; a[i] = c - '0'; }
	for(int i=1;i<=n;i++) { char c; cin>>c; b[i] = c - '0'; }
	mem(dp, 127);
	dp[0][0][0][0] = 0;
	for(int i=1;i<=n;i++){
		for(int a0=0;a0<2;a0++){
			for(int a1=0;a1<2;a1++){
				for(int a2=0;a2<2;a2++){
					int x = a[i];
					if(a0) x = 0;
					if(a1) x = 1;
					if(a2) x ^= 1;
					if(x != b[i]) continue;
					for(int A0=0;A0<2;A0++){
						for(int A1=0;A1<2;A1++){
							for(int A2=0;A2<2;A2++){
								umin(dp[i][a0][a1][a2], dp[i-1][A0][A1][A2] + (a0 > A0) + (a1 > A1) + (a2 > A2));
							}
						}	
					}
				}
			}
		}
	} 
	res = inf;
	for(int a0=0;a0<2;a0++){
		for(int a1=0;a1<2;a1++){
			for(int a2=0;a2<2;a2++){
				umin(res, dp[n][a0][a1][a2]);
			}
		}
	} cout<<res<<"\n";
}

signed main(){
	NeedForSpeed
	if(MULTI){
		int t; cin>>t;
		for(int t_case = 1; t_case <= t; t_case++) solve(t_case);
	} else solve(1);
	return 0;
}

Compilation message

lamp.cpp: In function 'void usaco(std::string)':
lamp.cpp:38:31: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   38 | void usaco(string s) { freopen((s+".in").c_str(),"r",stdin);
      |                        ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
lamp.cpp:39:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   39 |  freopen((s+".out").c_str(),"w",stdout); NeedForSpeed }
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 28 ms 62924 KB Output is correct
2 Correct 27 ms 62912 KB Output is correct
3 Correct 30 ms 62868 KB Output is correct
4 Correct 29 ms 62940 KB Output is correct
5 Correct 27 ms 62880 KB Output is correct
6 Correct 29 ms 62924 KB Output is correct
7 Correct 27 ms 62880 KB Output is correct
8 Correct 30 ms 62908 KB Output is correct
9 Correct 28 ms 62864 KB Output is correct
10 Correct 28 ms 62908 KB Output is correct
11 Correct 28 ms 62924 KB Output is correct
12 Correct 27 ms 62948 KB Output is correct
13 Correct 27 ms 62924 KB Output is correct
14 Correct 27 ms 62912 KB Output is correct
15 Correct 28 ms 62884 KB Output is correct
16 Correct 32 ms 62916 KB Output is correct
17 Correct 28 ms 62916 KB Output is correct
18 Correct 28 ms 62856 KB Output is correct
19 Correct 28 ms 63056 KB Output is correct
20 Correct 28 ms 62876 KB Output is correct
21 Correct 29 ms 62840 KB Output is correct
22 Correct 28 ms 62924 KB Output is correct
23 Correct 28 ms 62916 KB Output is correct
24 Correct 29 ms 62924 KB Output is correct
25 Correct 27 ms 62912 KB Output is correct
26 Correct 28 ms 62924 KB Output is correct
27 Correct 30 ms 62924 KB Output is correct
28 Correct 28 ms 62892 KB Output is correct
29 Correct 29 ms 62916 KB Output is correct
30 Correct 26 ms 62920 KB Output is correct
31 Correct 27 ms 62920 KB Output is correct
32 Correct 28 ms 62884 KB Output is correct
33 Correct 28 ms 62948 KB Output is correct
34 Correct 27 ms 62924 KB Output is correct

Subtask #2
41.0 / 41.0

# 결과 실행 시간 메모리 Grader output
1 Correct 28 ms 62924 KB Output is correct
2 Correct 27 ms 62912 KB Output is correct
3 Correct 30 ms 62868 KB Output is correct
4 Correct 29 ms 62940 KB Output is correct
5 Correct 27 ms 62880 KB Output is correct
6 Correct 29 ms 62924 KB Output is correct
7 Correct 27 ms 62880 KB Output is correct
8 Correct 30 ms 62908 KB Output is correct
9 Correct 28 ms 62864 KB Output is correct
10 Correct 28 ms 62908 KB Output is correct
11 Correct 28 ms 62924 KB Output is correct
12 Correct 27 ms 62948 KB Output is correct
13 Correct 27 ms 62924 KB Output is correct
14 Correct 27 ms 62912 KB Output is correct
15 Correct 28 ms 62884 KB Output is correct
16 Correct 32 ms 62916 KB Output is correct
17 Correct 28 ms 62916 KB Output is correct
18 Correct 28 ms 62856 KB Output is correct
19 Correct 28 ms 63056 KB Output is correct
20 Correct 28 ms 62876 KB Output is correct
21 Correct 29 ms 62840 KB Output is correct
22 Correct 28 ms 62924 KB Output is correct
23 Correct 28 ms 62916 KB Output is correct
24 Correct 29 ms 62924 KB Output is correct
25 Correct 27 ms 62912 KB Output is correct
26 Correct 28 ms 62924 KB Output is correct
27 Correct 30 ms 62924 KB Output is correct
28 Correct 28 ms 62892 KB Output is correct
29 Correct 29 ms 62916 KB Output is correct
30 Correct 26 ms 62920 KB Output is correct
31 Correct 27 ms 62920 KB Output is correct
32 Correct 28 ms 62884 KB Output is correct
33 Correct 28 ms 62948 KB Output is correct
34 Correct 27 ms 62924 KB Output is correct
35 Correct 34 ms 62980 KB Output is correct
36 Correct 28 ms 62868 KB Output is correct
37 Correct 30 ms 62924 KB Output is correct
38 Correct 29 ms 62928 KB Output is correct
39 Correct 28 ms 62904 KB Output is correct
40 Correct 30 ms 62924 KB Output is correct
41 Correct 30 ms 62924 KB Output is correct
42 Correct 28 ms 62924 KB Output is correct
43 Correct 29 ms 62936 KB Output is correct
44 Correct 34 ms 62960 KB Output is correct
45 Correct 29 ms 62884 KB Output is correct
46 Correct 28 ms 63040 KB Output is correct
47 Correct 30 ms 62868 KB Output is correct
48 Correct 28 ms 62892 KB Output is correct
49 Correct 29 ms 62972 KB Output is correct
50 Correct 27 ms 62924 KB Output is correct
51 Correct 33 ms 62912 KB Output is correct
52 Correct 35 ms 62952 KB Output is correct
53 Correct 28 ms 62888 KB Output is correct
54 Correct 28 ms 62880 KB Output is correct
55 Correct 29 ms 62916 KB Output is correct
56 Correct 28 ms 62924 KB Output is correct
57 Correct 30 ms 62900 KB Output is correct
58 Correct 28 ms 62948 KB Output is correct

Subtask #3
4.0 / 4.0

# 결과 실행 시간 메모리 Grader output
1 Correct 29 ms 62912 KB Output is correct
2 Correct 27 ms 62864 KB Output is correct
3 Correct 29 ms 62916 KB Output is correct
4 Correct 28 ms 62924 KB Output is correct
5 Correct 28 ms 62848 KB Output is correct
6 Correct 32 ms 62864 KB Output is correct
7 Correct 163 ms 80064 KB Output is correct
8 Correct 160 ms 80052 KB Output is correct
9 Correct 160 ms 80444 KB Output is correct
10 Correct 167 ms 80528 KB Output is correct
11 Correct 159 ms 80524 KB Output is correct
12 Correct 153 ms 80496 KB Output is correct
13 Correct 151 ms 80532 KB Output is correct
14 Correct 170 ms 80468 KB Output is correct

Subtask #4
49.0 / 49.0

# 결과 실행 시간 메모리 Grader output
1 Correct 28 ms 62924 KB Output is correct
2 Correct 27 ms 62912 KB Output is correct
3 Correct 30 ms 62868 KB Output is correct
4 Correct 29 ms 62940 KB Output is correct
5 Correct 27 ms 62880 KB Output is correct
6 Correct 29 ms 62924 KB Output is correct
7 Correct 27 ms 62880 KB Output is correct
8 Correct 30 ms 62908 KB Output is correct
9 Correct 28 ms 62864 KB Output is correct
10 Correct 28 ms 62908 KB Output is correct
11 Correct 28 ms 62924 KB Output is correct
12 Correct 27 ms 62948 KB Output is correct
13 Correct 27 ms 62924 KB Output is correct
14 Correct 27 ms 62912 KB Output is correct
15 Correct 28 ms 62884 KB Output is correct
16 Correct 32 ms 62916 KB Output is correct
17 Correct 28 ms 62916 KB Output is correct
18 Correct 28 ms 62856 KB Output is correct
19 Correct 28 ms 63056 KB Output is correct
20 Correct 28 ms 62876 KB Output is correct
21 Correct 29 ms 62840 KB Output is correct
22 Correct 28 ms 62924 KB Output is correct
23 Correct 28 ms 62916 KB Output is correct
24 Correct 29 ms 62924 KB Output is correct
25 Correct 27 ms 62912 KB Output is correct
26 Correct 28 ms 62924 KB Output is correct
27 Correct 30 ms 62924 KB Output is correct
28 Correct 28 ms 62892 KB Output is correct
29 Correct 29 ms 62916 KB Output is correct
30 Correct 26 ms 62920 KB Output is correct
31 Correct 27 ms 62920 KB Output is correct
32 Correct 28 ms 62884 KB Output is correct
33 Correct 28 ms 62948 KB Output is correct
34 Correct 27 ms 62924 KB Output is correct
35 Correct 34 ms 62980 KB Output is correct
36 Correct 28 ms 62868 KB Output is correct
37 Correct 30 ms 62924 KB Output is correct
38 Correct 29 ms 62928 KB Output is correct
39 Correct 28 ms 62904 KB Output is correct
40 Correct 30 ms 62924 KB Output is correct
41 Correct 30 ms 62924 KB Output is correct
42 Correct 28 ms 62924 KB Output is correct
43 Correct 29 ms 62936 KB Output is correct
44 Correct 34 ms 62960 KB Output is correct
45 Correct 29 ms 62884 KB Output is correct
46 Correct 28 ms 63040 KB Output is correct
47 Correct 30 ms 62868 KB Output is correct
48 Correct 28 ms 62892 KB Output is correct
49 Correct 29 ms 62972 KB Output is correct
50 Correct 27 ms 62924 KB Output is correct
51 Correct 33 ms 62912 KB Output is correct
52 Correct 35 ms 62952 KB Output is correct
53 Correct 28 ms 62888 KB Output is correct
54 Correct 28 ms 62880 KB Output is correct
55 Correct 29 ms 62916 KB Output is correct
56 Correct 28 ms 62924 KB Output is correct
57 Correct 30 ms 62900 KB Output is correct
58 Correct 28 ms 62948 KB Output is correct
59 Correct 29 ms 62912 KB Output is correct
60 Correct 27 ms 62864 KB Output is correct
61 Correct 29 ms 62916 KB Output is correct
62 Correct 28 ms 62924 KB Output is correct
63 Correct 28 ms 62848 KB Output is correct
64 Correct 32 ms 62864 KB Output is correct
65 Correct 163 ms 80064 KB Output is correct
66 Correct 160 ms 80052 KB Output is correct
67 Correct 160 ms 80444 KB Output is correct
68 Correct 167 ms 80528 KB Output is correct
69 Correct 159 ms 80524 KB Output is correct
70 Correct 153 ms 80496 KB Output is correct
71 Correct 151 ms 80532 KB Output is correct
72 Correct 170 ms 80468 KB Output is correct
73 Correct 152 ms 80548 KB Output is correct
74 Correct 182 ms 80644 KB Output is correct
75 Correct 151 ms 80452 KB Output is correct
76 Correct 153 ms 80744 KB Output is correct
77 Correct 166 ms 80552 KB Output is correct
78 Correct 188 ms 80528 KB Output is correct
79 Correct 160 ms 80452 KB Output is correct
80 Correct 179 ms 80532 KB Output is correct
81 Correct 197 ms 80452 KB Output is correct
82 Correct 147 ms 80532 KB Output is correct
83 Correct 163 ms 80580 KB Output is correct
84 Correct 161 ms 80480 KB Output is correct
85 Correct 204 ms 80452 KB Output is correct
86 Correct 166 ms 80532 KB Output is correct
87 Correct 169 ms 80476 KB Output is correct
88 Correct 161 ms 80528 KB Output is correct
89 Correct 165 ms 80452 KB Output is correct
90 Correct 171 ms 80444 KB Output is correct
91 Correct 175 ms 80444 KB Output is correct
92 Correct 176 ms 80504 KB Output is correct
93 Correct 182 ms 80452 KB Output is correct
94 Correct 181 ms 80528 KB Output is correct
95 Correct 184 ms 80524 KB Output is correct
96 Correct 214 ms 80528 KB Output is correct
97 Correct 193 ms 80452 KB Output is correct
98 Correct 180 ms 80532 KB Output is correct
99 Correct 185 ms 80520 KB Output is correct
100 Correct 180 ms 80416 KB Output is correct
101 Correct 176 ms 80472 KB Output is correct
102 Correct 211 ms 80520 KB Output is correct