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Submission #845019

# Submission time Handle Problem Language Result Execution time Memory
845019 2023-09-06T11:06:57 Z kderylo Homework (CEOI22_homework) C++17
100 / 100
 370 ms 220388 KB 
#include <iostream>
#include <vector>
using namespace std;
const int stala=3e6+10;
vector<int>w[stala];
int dp[stala][2];
int tab[stala]; //0-? 1-min 2-max
int index=0,l=0;
string s;
void make_edge(int x,int y)
{
    if(x==-1||y==-1){
        return;
    }
    w[x].push_back(y);
    w[y].push_back(x);
}
int f(int pop,int start)
{
    index++;
    make_edge(pop,index);
    int current_index=index;
    if(s[start]=='?'){
        l++;
        return start;
    }
    else if(s[start+1]=='i'){
        tab[current_index]=1;
        int pom=f(current_index,start+4)+2;
        return f(current_index,pom)+1;
    }
    else{
        tab[current_index]=2;
        int pom=f(current_index,start+4)+2;
        return f(current_index,pom)+1;
    }
}
void dfs(int k)
{
    if(tab[k]==0){
        dp[k][0]=1;
        dp[k][1]=1;
    }
    else if(k==1){
        dfs(w[k][0]);
        dfs(w[k][1]);
        int a1=dp[w[k][0]][0];
        int b1=dp[w[k][1]][0];
        int a2=dp[w[k][0]][1];
        int b2=dp[w[k][1]][1];
        if(tab[k]==1){
            dp[k][0]=min(a1,b1);
            dp[k][1]=a2+b2;
        }
        else{
            dp[k][0]=a1+b1;
            dp[k][1]=min(a2,b2);
        }
    }
    else{
        dfs(w[k][1]);
        dfs(w[k][2]);
        int a1=dp[w[k][1]][0];
        int b1=dp[w[k][2]][0];
        int a2=dp[w[k][1]][1];
        int b2=dp[w[k][2]][1];
        if(tab[k]==1){
            dp[k][0]=min(a1,b1);
            dp[k][1]=a2+b2;
        }
        else{
            dp[k][0]=a1+b1;
            dp[k][1]=min(a2,b2);
        }
    }
}

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    cin>>s;
    f(-1,0);
    dfs(1);
    int x=dp[1][0];
    int y=l-dp[1][1]+1;
    cout<<max(0,y-x+1);

    return 0;
}

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 73048 KB Output is correct
2 Correct 16 ms 73052 KB Output is correct
3 Correct 15 ms 73048 KB Output is correct
4 Correct 15 ms 73048 KB Output is correct
5 Correct 16 ms 73048 KB Output is correct
6 Correct 15 ms 73048 KB Output is correct
7 Correct 15 ms 73048 KB Output is correct
8 Correct 15 ms 73048 KB Output is correct
9 Correct 15 ms 73048 KB Output is correct
10 Correct 15 ms 73048 KB Output is correct
11 Correct 15 ms 73048 KB Output is correct
12 Correct 16 ms 73052 KB Output is correct
13 Correct 15 ms 73048 KB Output is correct
14 Correct 16 ms 73048 KB Output is correct
15 Correct 18 ms 73048 KB Output is correct
16 Correct 15 ms 73048 KB Output is correct
17 Correct 15 ms 73048 KB Output is correct
18 Correct 16 ms 73304 KB Output is correct
19 Correct 16 ms 73048 KB Output is correct
20 Correct 15 ms 73048 KB Output is correct
21 Correct 16 ms 73560 KB Output is correct
22 Correct 16 ms 73048 KB Output is correct
23 Correct 15 ms 73052 KB Output is correct
24 Correct 15 ms 73052 KB Output is correct
25 Correct 15 ms 73048 KB Output is correct
26 Correct 15 ms 73124 KB Output is correct
27 Correct 16 ms 73052 KB Output is correct
28 Correct 15 ms 73048 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 73048 KB Output is correct
2 Correct 16 ms 73052 KB Output is correct
3 Correct 15 ms 73048 KB Output is correct
4 Correct 15 ms 73048 KB Output is correct
5 Correct 16 ms 73048 KB Output is correct
6 Correct 15 ms 73048 KB Output is correct
7 Correct 15 ms 73048 KB Output is correct
8 Correct 15 ms 73048 KB Output is correct
9 Correct 15 ms 73048 KB Output is correct
10 Correct 15 ms 73048 KB Output is correct
11 Correct 15 ms 73048 KB Output is correct
12 Correct 16 ms 73052 KB Output is correct
13 Correct 15 ms 73048 KB Output is correct
14 Correct 16 ms 73048 KB Output is correct
15 Correct 18 ms 73048 KB Output is correct
16 Correct 15 ms 73048 KB Output is correct
17 Correct 15 ms 73048 KB Output is correct
18 Correct 16 ms 73304 KB Output is correct
19 Correct 16 ms 73048 KB Output is correct
20 Correct 15 ms 73048 KB Output is correct
21 Correct 16 ms 73560 KB Output is correct
22 Correct 16 ms 73048 KB Output is correct
23 Correct 15 ms 73052 KB Output is correct
24 Correct 15 ms 73052 KB Output is correct
25 Correct 15 ms 73048 KB Output is correct
26 Correct 15 ms 73124 KB Output is correct
27 Correct 16 ms 73052 KB Output is correct
28 Correct 15 ms 73048 KB Output is correct
29 Correct 15 ms 73048 KB Output is correct
30 Correct 15 ms 73048 KB Output is correct
31 Correct 15 ms 73048 KB Output is correct
32 Correct 15 ms 73048 KB Output is correct
33 Correct 16 ms 73048 KB Output is correct
34 Correct 15 ms 73048 KB Output is correct
35 Correct 15 ms 73048 KB Output is correct
36 Correct 16 ms 73304 KB Output is correct
37 Correct 15 ms 72968 KB Output is correct
38 Correct 15 ms 73048 KB Output is correct
39 Correct 15 ms 73120 KB Output is correct
40 Correct 16 ms 73304 KB Output is correct
41 Correct 15 ms 73048 KB Output is correct
42 Correct 15 ms 72988 KB Output is correct
43 Correct 15 ms 73048 KB Output is correct
44 Correct 15 ms 73048 KB Output is correct
45 Correct 15 ms 73048 KB Output is correct
46 Correct 15 ms 73304 KB Output is correct
47 Correct 15 ms 73120 KB Output is correct
48 Correct 15 ms 73052 KB Output is correct
49 Correct 16 ms 73048 KB Output is correct
50 Correct 15 ms 73048 KB Output is correct
51 Correct 15 ms 73048 KB Output is correct
52 Correct 15 ms 73048 KB Output is correct
53 Correct 15 ms 73048 KB Output is correct
54 Correct 15 ms 73048 KB Output is correct
55 Correct 15 ms 73048 KB Output is correct
56 Correct 15 ms 73052 KB Output is correct

Subtask #3
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 268 ms 219852 KB Output is correct
2 Correct 238 ms 219344 KB Output is correct
3 Correct 249 ms 219160 KB Output is correct
4 Correct 241 ms 219084 KB Output is correct
5 Correct 249 ms 220072 KB Output is correct
6 Correct 235 ms 219720 KB Output is correct
7 Correct 257 ms 220364 KB Output is correct
8 Correct 235 ms 219084 KB Output is correct
9 Correct 255 ms 219436 KB Output is correct
10 Correct 236 ms 220108 KB Output is correct
11 Correct 246 ms 219084 KB Output is correct
12 Correct 254 ms 220364 KB Output is correct
13 Correct 15 ms 73048 KB Output is correct

Subtask #4
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 73048 KB Output is correct
2 Correct 16 ms 73052 KB Output is correct
3 Correct 15 ms 73048 KB Output is correct
4 Correct 15 ms 73048 KB Output is correct
5 Correct 16 ms 73048 KB Output is correct
6 Correct 15 ms 73048 KB Output is correct
7 Correct 15 ms 73048 KB Output is correct
8 Correct 15 ms 73048 KB Output is correct
9 Correct 15 ms 73048 KB Output is correct
10 Correct 15 ms 73048 KB Output is correct
11 Correct 15 ms 73048 KB Output is correct
12 Correct 16 ms 73052 KB Output is correct
13 Correct 15 ms 73048 KB Output is correct
14 Correct 16 ms 73048 KB Output is correct
15 Correct 18 ms 73048 KB Output is correct
16 Correct 15 ms 73048 KB Output is correct
17 Correct 15 ms 73048 KB Output is correct
18 Correct 16 ms 73304 KB Output is correct
19 Correct 16 ms 73048 KB Output is correct
20 Correct 15 ms 73048 KB Output is correct
21 Correct 16 ms 73560 KB Output is correct
22 Correct 16 ms 73048 KB Output is correct
23 Correct 15 ms 73052 KB Output is correct
24 Correct 15 ms 73052 KB Output is correct
25 Correct 15 ms 73048 KB Output is correct
26 Correct 15 ms 73124 KB Output is correct
27 Correct 16 ms 73052 KB Output is correct
28 Correct 15 ms 73048 KB Output is correct
29 Correct 15 ms 73048 KB Output is correct
30 Correct 15 ms 73048 KB Output is correct
31 Correct 15 ms 73048 KB Output is correct
32 Correct 15 ms 73048 KB Output is correct
33 Correct 16 ms 73048 KB Output is correct
34 Correct 15 ms 73048 KB Output is correct
35 Correct 15 ms 73048 KB Output is correct
36 Correct 16 ms 73304 KB Output is correct
37 Correct 15 ms 72968 KB Output is correct
38 Correct 15 ms 73048 KB Output is correct
39 Correct 15 ms 73120 KB Output is correct
40 Correct 16 ms 73304 KB Output is correct
41 Correct 15 ms 73048 KB Output is correct
42 Correct 15 ms 72988 KB Output is correct
43 Correct 15 ms 73048 KB Output is correct
44 Correct 15 ms 73048 KB Output is correct
45 Correct 15 ms 73048 KB Output is correct
46 Correct 15 ms 73304 KB Output is correct
47 Correct 15 ms 73120 KB Output is correct
48 Correct 15 ms 73052 KB Output is correct
49 Correct 16 ms 73048 KB Output is correct
50 Correct 15 ms 73048 KB Output is correct
51 Correct 15 ms 73048 KB Output is correct
52 Correct 15 ms 73048 KB Output is correct
53 Correct 15 ms 73048 KB Output is correct
54 Correct 15 ms 73048 KB Output is correct
55 Correct 15 ms 73048 KB Output is correct
56 Correct 15 ms 73052 KB Output is correct
57 Correct 16 ms 73052 KB Output is correct
58 Correct 15 ms 73048 KB Output is correct
59 Correct 15 ms 73052 KB Output is correct
60 Correct 15 ms 73048 KB Output is correct
61 Correct 15 ms 73048 KB Output is correct
62 Correct 15 ms 73048 KB Output is correct
63 Correct 17 ms 73304 KB Output is correct
64 Correct 16 ms 73124 KB Output is correct
65 Correct 16 ms 73048 KB Output is correct
66 Correct 15 ms 73048 KB Output is correct
67 Correct 15 ms 73212 KB Output is correct
68 Correct 16 ms 73048 KB Output is correct
69 Correct 17 ms 73000 KB Output is correct
70 Correct 15 ms 73048 KB Output is correct
71 Correct 15 ms 73048 KB Output is correct
72 Correct 15 ms 73048 KB Output is correct
73 Correct 16 ms 73048 KB Output is correct
74 Correct 15 ms 73048 KB Output is correct
75 Correct 15 ms 73052 KB Output is correct
76 Correct 15 ms 73048 KB Output is correct
77 Correct 16 ms 73048 KB Output is correct
78 Correct 17 ms 73304 KB Output is correct
79 Correct 15 ms 73048 KB Output is correct
80 Correct 15 ms 73048 KB Output is correct
81 Correct 15 ms 73052 KB Output is correct
82 Correct 15 ms 73048 KB Output is correct
83 Correct 16 ms 73048 KB Output is correct
84 Correct 17 ms 72956 KB Output is correct
85 Correct 15 ms 73048 KB Output is correct
86 Correct 16 ms 72972 KB Output is correct

Subtask #5
34.0 / 34.0

# Verdict Execution time Memory Grader output
1 Correct 15 ms 73048 KB Output is correct
2 Correct 16 ms 73052 KB Output is correct
3 Correct 15 ms 73048 KB Output is correct
4 Correct 15 ms 73048 KB Output is correct
5 Correct 16 ms 73048 KB Output is correct
6 Correct 15 ms 73048 KB Output is correct
7 Correct 15 ms 73048 KB Output is correct
8 Correct 15 ms 73048 KB Output is correct
9 Correct 15 ms 73048 KB Output is correct
10 Correct 15 ms 73048 KB Output is correct
11 Correct 15 ms 73048 KB Output is correct
12 Correct 16 ms 73052 KB Output is correct
13 Correct 15 ms 73048 KB Output is correct
14 Correct 16 ms 73048 KB Output is correct
15 Correct 18 ms 73048 KB Output is correct
16 Correct 15 ms 73048 KB Output is correct
17 Correct 15 ms 73048 KB Output is correct
18 Correct 16 ms 73304 KB Output is correct
19 Correct 16 ms 73048 KB Output is correct
20 Correct 15 ms 73048 KB Output is correct
21 Correct 16 ms 73560 KB Output is correct
22 Correct 16 ms 73048 KB Output is correct
23 Correct 15 ms 73052 KB Output is correct
24 Correct 15 ms 73052 KB Output is correct
25 Correct 15 ms 73048 KB Output is correct
26 Correct 15 ms 73124 KB Output is correct
27 Correct 16 ms 73052 KB Output is correct
28 Correct 15 ms 73048 KB Output is correct
29 Correct 15 ms 73048 KB Output is correct
30 Correct 15 ms 73048 KB Output is correct
31 Correct 15 ms 73048 KB Output is correct
32 Correct 15 ms 73048 KB Output is correct
33 Correct 16 ms 73048 KB Output is correct
34 Correct 15 ms 73048 KB Output is correct
35 Correct 15 ms 73048 KB Output is correct
36 Correct 16 ms 73304 KB Output is correct
37 Correct 15 ms 72968 KB Output is correct
38 Correct 15 ms 73048 KB Output is correct
39 Correct 15 ms 73120 KB Output is correct
40 Correct 16 ms 73304 KB Output is correct
41 Correct 15 ms 73048 KB Output is correct
42 Correct 15 ms 72988 KB Output is correct
43 Correct 15 ms 73048 KB Output is correct
44 Correct 15 ms 73048 KB Output is correct
45 Correct 15 ms 73048 KB Output is correct
46 Correct 15 ms 73304 KB Output is correct
47 Correct 15 ms 73120 KB Output is correct
48 Correct 15 ms 73052 KB Output is correct
49 Correct 16 ms 73048 KB Output is correct
50 Correct 15 ms 73048 KB Output is correct
51 Correct 15 ms 73048 KB Output is correct
52 Correct 15 ms 73048 KB Output is correct
53 Correct 15 ms 73048 KB Output is correct
54 Correct 15 ms 73048 KB Output is correct
55 Correct 15 ms 73048 KB Output is correct
56 Correct 15 ms 73052 KB Output is correct
57 Correct 268 ms 219852 KB Output is correct
58 Correct 238 ms 219344 KB Output is correct
59 Correct 249 ms 219160 KB Output is correct
60 Correct 241 ms 219084 KB Output is correct
61 Correct 249 ms 220072 KB Output is correct
62 Correct 235 ms 219720 KB Output is correct
63 Correct 257 ms 220364 KB Output is correct
64 Correct 235 ms 219084 KB Output is correct
65 Correct 255 ms 219436 KB Output is correct
66 Correct 236 ms 220108 KB Output is correct
67 Correct 246 ms 219084 KB Output is correct
68 Correct 254 ms 220364 KB Output is correct
69 Correct 15 ms 73048 KB Output is correct
70 Correct 16 ms 73052 KB Output is correct
71 Correct 15 ms 73048 KB Output is correct
72 Correct 15 ms 73052 KB Output is correct
73 Correct 15 ms 73048 KB Output is correct
74 Correct 15 ms 73048 KB Output is correct
75 Correct 15 ms 73048 KB Output is correct
76 Correct 17 ms 73304 KB Output is correct
77 Correct 16 ms 73124 KB Output is correct
78 Correct 16 ms 73048 KB Output is correct
79 Correct 15 ms 73048 KB Output is correct
80 Correct 15 ms 73212 KB Output is correct
81 Correct 16 ms 73048 KB Output is correct
82 Correct 17 ms 73000 KB Output is correct
83 Correct 15 ms 73048 KB Output is correct
84 Correct 15 ms 73048 KB Output is correct
85 Correct 15 ms 73048 KB Output is correct
86 Correct 16 ms 73048 KB Output is correct
87 Correct 15 ms 73048 KB Output is correct
88 Correct 15 ms 73052 KB Output is correct
89 Correct 15 ms 73048 KB Output is correct
90 Correct 16 ms 73048 KB Output is correct
91 Correct 17 ms 73304 KB Output is correct
92 Correct 15 ms 73048 KB Output is correct
93 Correct 15 ms 73048 KB Output is correct
94 Correct 15 ms 73052 KB Output is correct
95 Correct 15 ms 73048 KB Output is correct
96 Correct 16 ms 73048 KB Output is correct
97 Correct 17 ms 72956 KB Output is correct
98 Correct 15 ms 73048 KB Output is correct
99 Correct 16 ms 72972 KB Output is correct
100 Correct 215 ms 174216 KB Output is correct
101 Correct 214 ms 174028 KB Output is correct
102 Correct 208 ms 175048 KB Output is correct
103 Correct 205 ms 174028 KB Output is correct
104 Correct 203 ms 174540 KB Output is correct
105 Correct 242 ms 191208 KB Output is correct
106 Correct 235 ms 189740 KB Output is correct
107 Correct 240 ms 190152 KB Output is correct
108 Correct 234 ms 190016 KB Output is correct
109 Correct 257 ms 190572 KB Output is correct
110 Correct 215 ms 174220 KB Output is correct
111 Correct 218 ms 174784 KB Output is correct
112 Correct 223 ms 175056 KB Output is correct
113 Correct 233 ms 174240 KB Output is correct
114 Correct 223 ms 174988 KB Output is correct
115 Correct 370 ms 219600 KB Output is correct
116 Correct 240 ms 219224 KB Output is correct
117 Correct 244 ms 219176 KB Output is correct
118 Correct 241 ms 219084 KB Output is correct
119 Correct 246 ms 220388 KB Output is correct
120 Correct 216 ms 174332 KB Output is correct
121 Correct 216 ms 175048 KB Output is correct
122 Correct 217 ms 174896 KB Output is correct
123 Correct 225 ms 174996 KB Output is correct
124 Correct 257 ms 198864 KB Output is correct
125 Correct 224 ms 198964 KB Output is correct
126 Correct 221 ms 198348 KB Output is correct
127 Correct 225 ms 198028 KB Output is correct
128 Correct 121 ms 125392 KB Output is correct
129 Correct 117 ms 125692 KB Output is correct
130 Correct 112 ms 125392 KB Output is correct
131 Correct 15 ms 73048 KB Output is correct