답안 #824408

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
824408	2023-08-14T05:37:46 Z	kwongweng	Homework (CEOI22_homework)	C++17	100 / 100	84 ms	83580 KB

Main

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef vector<int> vi;
typedef pair<int, int> ii;
typedef vector<ii> vii;
typedef long double ld;
typedef pair<ll, ll> pll;
#define FOR(i, a, b) for(int i = a; i < b; i++)
#define ROF(i, a, b) for(int i = a; i >= b; i--)
#define ms memset
#define pb push_back
#define fi first
#define se second

string s;
int nxt[7000000]; 
/*corresponding , to each (), to split the expression into two
Main obs : all reachable values fall within a continuous interval
range returns 2 values {A,B}
A -> A smallest values cannot be reached
B -> B largest values cannot be reached
*/
ii range(int L, int R){
  if (L==R) return {0,0}; // ?
  ii val1 = range(L+4,nxt[L+3]-1);
  ii val2 = range(nxt[L+3]+1,R-1);
  if (s[L+2]=='x'){
    //max
    return {val1.fi+val2.fi+1, min(val1.se, val2.se)};
  }
  //min
  return {min(val1.fi, val2.fi), val1.se+val2.se+1};
}

void solve(){
  cin>>s; int len=s.size();
  ms(nxt,-1,sizeof(nxt));
  stack<int> st; int cnt=0;
  FOR(i,0,len){
    if (s[i]=='(') st.push(i);
    if (s[i]==','){nxt[st.top()]=i; st.pop();}
    if (s[i]=='?') cnt++;
  }
  ii ans = range(0,len-1);
  cout<<cnt-ans.fi-ans.se<<'\n';
}

int main(){
	//MOD=MOD1;
    ios::sync_with_stdio(false);
    if (fopen("input.txt", "r")) {
		  freopen("input.txt", "r", stdin);
    	freopen("output.txt", "w", stdout);
	  }
    int TC = 1;
    //cin >> TC; 
    FOR(i, 1, TC+1){
        //cout << "Case #" << i << ": ";
        solve();
    }
	
	return 0;
}

Compilation message

Main.cpp: In function 'int main()':
Main.cpp:53:12: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   53 |     freopen("input.txt", "r", stdin);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
Main.cpp:54:13: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   54 |      freopen("output.txt", "w", stdout);
      |      ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

#	결과	실행 시간	메모리	Grader output
1	Correct	11 ms	27604 KB	Output is correct
2	Correct	11 ms	27604 KB	Output is correct
3	Correct	12 ms	27604 KB	Output is correct
4	Correct	11 ms	27604 KB	Output is correct
5	Correct	11 ms	27684 KB	Output is correct
6	Correct	10 ms	27604 KB	Output is correct
7	Correct	11 ms	27604 KB	Output is correct
8	Correct	11 ms	27604 KB	Output is correct
9	Correct	11 ms	27604 KB	Output is correct
10	Correct	11 ms	27604 KB	Output is correct
11	Correct	11 ms	27604 KB	Output is correct
12	Correct	12 ms	27712 KB	Output is correct
13	Correct	11 ms	27672 KB	Output is correct
14	Correct	10 ms	27604 KB	Output is correct
15	Correct	11 ms	27604 KB	Output is correct
16	Correct	11 ms	27604 KB	Output is correct
17	Correct	11 ms	27656 KB	Output is correct
18	Correct	15 ms	27684 KB	Output is correct
19	Correct	11 ms	27604 KB	Output is correct
20	Correct	11 ms	27604 KB	Output is correct
21	Correct	11 ms	27604 KB	Output is correct
22	Correct	11 ms	27664 KB	Output is correct
23	Correct	11 ms	27660 KB	Output is correct
24	Correct	11 ms	27620 KB	Output is correct
25	Correct	11 ms	27604 KB	Output is correct
26	Correct	11 ms	27692 KB	Output is correct
27	Correct	11 ms	27700 KB	Output is correct
28	Correct	11 ms	27628 KB	Output is correct

Subtask #2
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	11 ms	27604 KB	Output is correct
2	Correct	11 ms	27604 KB	Output is correct
3	Correct	12 ms	27604 KB	Output is correct
4	Correct	11 ms	27604 KB	Output is correct
5	Correct	11 ms	27684 KB	Output is correct
6	Correct	10 ms	27604 KB	Output is correct
7	Correct	11 ms	27604 KB	Output is correct
8	Correct	11 ms	27604 KB	Output is correct
9	Correct	11 ms	27604 KB	Output is correct
10	Correct	11 ms	27604 KB	Output is correct
11	Correct	11 ms	27604 KB	Output is correct
12	Correct	12 ms	27712 KB	Output is correct
13	Correct	11 ms	27672 KB	Output is correct
14	Correct	10 ms	27604 KB	Output is correct
15	Correct	11 ms	27604 KB	Output is correct
16	Correct	11 ms	27604 KB	Output is correct
17	Correct	11 ms	27656 KB	Output is correct
18	Correct	15 ms	27684 KB	Output is correct
19	Correct	11 ms	27604 KB	Output is correct
20	Correct	11 ms	27604 KB	Output is correct
21	Correct	11 ms	27604 KB	Output is correct
22	Correct	11 ms	27664 KB	Output is correct
23	Correct	11 ms	27660 KB	Output is correct
24	Correct	11 ms	27620 KB	Output is correct
25	Correct	11 ms	27604 KB	Output is correct
26	Correct	11 ms	27692 KB	Output is correct
27	Correct	11 ms	27700 KB	Output is correct
28	Correct	11 ms	27628 KB	Output is correct
29	Correct	10 ms	27620 KB	Output is correct
30	Correct	11 ms	27604 KB	Output is correct
31	Correct	11 ms	27604 KB	Output is correct
32	Correct	11 ms	27608 KB	Output is correct
33	Correct	11 ms	27604 KB	Output is correct
34	Correct	11 ms	27632 KB	Output is correct
35	Correct	11 ms	27708 KB	Output is correct
36	Correct	11 ms	27604 KB	Output is correct
37	Correct	11 ms	27604 KB	Output is correct
38	Correct	11 ms	27604 KB	Output is correct
39	Correct	11 ms	27732 KB	Output is correct
40	Correct	11 ms	27604 KB	Output is correct
41	Correct	11 ms	27604 KB	Output is correct
42	Correct	11 ms	27604 KB	Output is correct
43	Correct	11 ms	27604 KB	Output is correct
44	Correct	11 ms	27604 KB	Output is correct
45	Correct	11 ms	27604 KB	Output is correct
46	Correct	11 ms	27604 KB	Output is correct
47	Correct	11 ms	27604 KB	Output is correct
48	Correct	11 ms	27604 KB	Output is correct
49	Correct	11 ms	27616 KB	Output is correct
50	Correct	11 ms	27604 KB	Output is correct
51	Correct	11 ms	27648 KB	Output is correct
52	Correct	11 ms	27604 KB	Output is correct
53	Correct	11 ms	27604 KB	Output is correct
54	Correct	11 ms	27612 KB	Output is correct
55	Correct	12 ms	27636 KB	Output is correct
56	Correct	10 ms	27600 KB	Output is correct

Subtask #3
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	84 ms	83580 KB	Output is correct
2	Correct	76 ms	83484 KB	Output is correct
3	Correct	82 ms	83516 KB	Output is correct
4	Correct	82 ms	83524 KB	Output is correct
5	Correct	79 ms	83576 KB	Output is correct
6	Correct	79 ms	83484 KB	Output is correct
7	Correct	79 ms	83468 KB	Output is correct
8	Correct	80 ms	83524 KB	Output is correct
9	Correct	81 ms	83476 KB	Output is correct
10	Correct	80 ms	83484 KB	Output is correct
11	Correct	81 ms	83532 KB	Output is correct
12	Correct	78 ms	83472 KB	Output is correct
13	Correct	11 ms	27604 KB	Output is correct

Subtask #4
30.0 / 30.0

#	결과	실행 시간	메모리	Grader output
1	Correct	11 ms	27604 KB	Output is correct
2	Correct	11 ms	27604 KB	Output is correct
3	Correct	12 ms	27604 KB	Output is correct
4	Correct	11 ms	27604 KB	Output is correct
5	Correct	11 ms	27684 KB	Output is correct
6	Correct	10 ms	27604 KB	Output is correct
7	Correct	11 ms	27604 KB	Output is correct
8	Correct	11 ms	27604 KB	Output is correct
9	Correct	11 ms	27604 KB	Output is correct
10	Correct	11 ms	27604 KB	Output is correct
11	Correct	11 ms	27604 KB	Output is correct
12	Correct	12 ms	27712 KB	Output is correct
13	Correct	11 ms	27672 KB	Output is correct
14	Correct	10 ms	27604 KB	Output is correct
15	Correct	11 ms	27604 KB	Output is correct
16	Correct	11 ms	27604 KB	Output is correct
17	Correct	11 ms	27656 KB	Output is correct
18	Correct	15 ms	27684 KB	Output is correct
19	Correct	11 ms	27604 KB	Output is correct
20	Correct	11 ms	27604 KB	Output is correct
21	Correct	11 ms	27604 KB	Output is correct
22	Correct	11 ms	27664 KB	Output is correct
23	Correct	11 ms	27660 KB	Output is correct
24	Correct	11 ms	27620 KB	Output is correct
25	Correct	11 ms	27604 KB	Output is correct
26	Correct	11 ms	27692 KB	Output is correct
27	Correct	11 ms	27700 KB	Output is correct
28	Correct	11 ms	27628 KB	Output is correct
29	Correct	10 ms	27620 KB	Output is correct
30	Correct	11 ms	27604 KB	Output is correct
31	Correct	11 ms	27604 KB	Output is correct
32	Correct	11 ms	27608 KB	Output is correct
33	Correct	11 ms	27604 KB	Output is correct
34	Correct	11 ms	27632 KB	Output is correct
35	Correct	11 ms	27708 KB	Output is correct
36	Correct	11 ms	27604 KB	Output is correct
37	Correct	11 ms	27604 KB	Output is correct
38	Correct	11 ms	27604 KB	Output is correct
39	Correct	11 ms	27732 KB	Output is correct
40	Correct	11 ms	27604 KB	Output is correct
41	Correct	11 ms	27604 KB	Output is correct
42	Correct	11 ms	27604 KB	Output is correct
43	Correct	11 ms	27604 KB	Output is correct
44	Correct	11 ms	27604 KB	Output is correct
45	Correct	11 ms	27604 KB	Output is correct
46	Correct	11 ms	27604 KB	Output is correct
47	Correct	11 ms	27604 KB	Output is correct
48	Correct	11 ms	27604 KB	Output is correct
49	Correct	11 ms	27616 KB	Output is correct
50	Correct	11 ms	27604 KB	Output is correct
51	Correct	11 ms	27648 KB	Output is correct
52	Correct	11 ms	27604 KB	Output is correct
53	Correct	11 ms	27604 KB	Output is correct
54	Correct	11 ms	27612 KB	Output is correct
55	Correct	12 ms	27636 KB	Output is correct
56	Correct	10 ms	27600 KB	Output is correct
57	Correct	11 ms	27604 KB	Output is correct
58	Correct	11 ms	27732 KB	Output is correct
59	Correct	11 ms	27648 KB	Output is correct
60	Correct	11 ms	27660 KB	Output is correct
61	Correct	11 ms	27620 KB	Output is correct
62	Correct	11 ms	27732 KB	Output is correct
63	Correct	11 ms	27732 KB	Output is correct
64	Correct	11 ms	27700 KB	Output is correct
65	Correct	11 ms	27732 KB	Output is correct
66	Correct	11 ms	27716 KB	Output is correct
67	Correct	12 ms	27604 KB	Output is correct
68	Correct	10 ms	27604 KB	Output is correct
69	Correct	11 ms	27604 KB	Output is correct
70	Correct	12 ms	27708 KB	Output is correct
71	Correct	11 ms	27604 KB	Output is correct
72	Correct	11 ms	27732 KB	Output is correct
73	Correct	11 ms	27732 KB	Output is correct
74	Correct	12 ms	27708 KB	Output is correct
75	Correct	10 ms	27732 KB	Output is correct
76	Correct	11 ms	27732 KB	Output is correct
77	Correct	10 ms	27732 KB	Output is correct
78	Correct	11 ms	27620 KB	Output is correct
79	Correct	11 ms	27604 KB	Output is correct
80	Correct	10 ms	27672 KB	Output is correct
81	Correct	12 ms	27732 KB	Output is correct
82	Correct	11 ms	27692 KB	Output is correct
83	Correct	10 ms	27604 KB	Output is correct
84	Correct	11 ms	27608 KB	Output is correct
85	Correct	12 ms	27724 KB	Output is correct
86	Correct	11 ms	27608 KB	Output is correct

Subtask #5
34.0 / 34.0

#	결과	실행 시간	메모리	Grader output
1	Correct	11 ms	27604 KB	Output is correct
2	Correct	11 ms	27604 KB	Output is correct
3	Correct	12 ms	27604 KB	Output is correct
4	Correct	11 ms	27604 KB	Output is correct
5	Correct	11 ms	27684 KB	Output is correct
6	Correct	10 ms	27604 KB	Output is correct
7	Correct	11 ms	27604 KB	Output is correct
8	Correct	11 ms	27604 KB	Output is correct
9	Correct	11 ms	27604 KB	Output is correct
10	Correct	11 ms	27604 KB	Output is correct
11	Correct	11 ms	27604 KB	Output is correct
12	Correct	12 ms	27712 KB	Output is correct
13	Correct	11 ms	27672 KB	Output is correct
14	Correct	10 ms	27604 KB	Output is correct
15	Correct	11 ms	27604 KB	Output is correct
16	Correct	11 ms	27604 KB	Output is correct
17	Correct	11 ms	27656 KB	Output is correct
18	Correct	15 ms	27684 KB	Output is correct
19	Correct	11 ms	27604 KB	Output is correct
20	Correct	11 ms	27604 KB	Output is correct
21	Correct	11 ms	27604 KB	Output is correct
22	Correct	11 ms	27664 KB	Output is correct
23	Correct	11 ms	27660 KB	Output is correct
24	Correct	11 ms	27620 KB	Output is correct
25	Correct	11 ms	27604 KB	Output is correct
26	Correct	11 ms	27692 KB	Output is correct
27	Correct	11 ms	27700 KB	Output is correct
28	Correct	11 ms	27628 KB	Output is correct
29	Correct	10 ms	27620 KB	Output is correct
30	Correct	11 ms	27604 KB	Output is correct
31	Correct	11 ms	27604 KB	Output is correct
32	Correct	11 ms	27608 KB	Output is correct
33	Correct	11 ms	27604 KB	Output is correct
34	Correct	11 ms	27632 KB	Output is correct
35	Correct	11 ms	27708 KB	Output is correct
36	Correct	11 ms	27604 KB	Output is correct
37	Correct	11 ms	27604 KB	Output is correct
38	Correct	11 ms	27604 KB	Output is correct
39	Correct	11 ms	27732 KB	Output is correct
40	Correct	11 ms	27604 KB	Output is correct
41	Correct	11 ms	27604 KB	Output is correct
42	Correct	11 ms	27604 KB	Output is correct
43	Correct	11 ms	27604 KB	Output is correct
44	Correct	11 ms	27604 KB	Output is correct
45	Correct	11 ms	27604 KB	Output is correct
46	Correct	11 ms	27604 KB	Output is correct
47	Correct	11 ms	27604 KB	Output is correct
48	Correct	11 ms	27604 KB	Output is correct
49	Correct	11 ms	27616 KB	Output is correct
50	Correct	11 ms	27604 KB	Output is correct
51	Correct	11 ms	27648 KB	Output is correct
52	Correct	11 ms	27604 KB	Output is correct
53	Correct	11 ms	27604 KB	Output is correct
54	Correct	11 ms	27612 KB	Output is correct
55	Correct	12 ms	27636 KB	Output is correct
56	Correct	10 ms	27600 KB	Output is correct
57	Correct	84 ms	83580 KB	Output is correct
58	Correct	76 ms	83484 KB	Output is correct
59	Correct	82 ms	83516 KB	Output is correct
60	Correct	82 ms	83524 KB	Output is correct
61	Correct	79 ms	83576 KB	Output is correct
62	Correct	79 ms	83484 KB	Output is correct
63	Correct	79 ms	83468 KB	Output is correct
64	Correct	80 ms	83524 KB	Output is correct
65	Correct	81 ms	83476 KB	Output is correct
66	Correct	80 ms	83484 KB	Output is correct
67	Correct	81 ms	83532 KB	Output is correct
68	Correct	78 ms	83472 KB	Output is correct
69	Correct	11 ms	27604 KB	Output is correct
70	Correct	11 ms	27604 KB	Output is correct
71	Correct	11 ms	27732 KB	Output is correct
72	Correct	11 ms	27648 KB	Output is correct
73	Correct	11 ms	27660 KB	Output is correct
74	Correct	11 ms	27620 KB	Output is correct
75	Correct	11 ms	27732 KB	Output is correct
76	Correct	11 ms	27732 KB	Output is correct
77	Correct	11 ms	27700 KB	Output is correct
78	Correct	11 ms	27732 KB	Output is correct
79	Correct	11 ms	27716 KB	Output is correct
80	Correct	12 ms	27604 KB	Output is correct
81	Correct	10 ms	27604 KB	Output is correct
82	Correct	11 ms	27604 KB	Output is correct
83	Correct	12 ms	27708 KB	Output is correct
84	Correct	11 ms	27604 KB	Output is correct
85	Correct	11 ms	27732 KB	Output is correct
86	Correct	11 ms	27732 KB	Output is correct
87	Correct	12 ms	27708 KB	Output is correct
88	Correct	10 ms	27732 KB	Output is correct
89	Correct	11 ms	27732 KB	Output is correct
90	Correct	10 ms	27732 KB	Output is correct
91	Correct	11 ms	27620 KB	Output is correct
92	Correct	11 ms	27604 KB	Output is correct
93	Correct	10 ms	27672 KB	Output is correct
94	Correct	12 ms	27732 KB	Output is correct
95	Correct	11 ms	27692 KB	Output is correct
96	Correct	10 ms	27604 KB	Output is correct
97	Correct	11 ms	27608 KB	Output is correct
98	Correct	12 ms	27724 KB	Output is correct
99	Correct	11 ms	27608 KB	Output is correct
100	Correct	46 ms	34652 KB	Output is correct
101	Correct	49 ms	34628 KB	Output is correct
102	Correct	46 ms	34600 KB	Output is correct
103	Correct	45 ms	34624 KB	Output is correct
104	Correct	44 ms	34696 KB	Output is correct
105	Correct	58 ms	50840 KB	Output is correct
106	Correct	59 ms	50876 KB	Output is correct
107	Correct	55 ms	50796 KB	Output is correct
108	Correct	57 ms	50860 KB	Output is correct
109	Correct	56 ms	50884 KB	Output is correct
110	Correct	51 ms	34652 KB	Output is correct
111	Correct	51 ms	34612 KB	Output is correct
112	Correct	47 ms	34612 KB	Output is correct
113	Correct	47 ms	34668 KB	Output is correct
114	Correct	47 ms	34640 KB	Output is correct
115	Correct	79 ms	83548 KB	Output is correct
116	Correct	78 ms	83524 KB	Output is correct
117	Correct	78 ms	83468 KB	Output is correct
118	Correct	75 ms	83496 KB	Output is correct
119	Correct	82 ms	83492 KB	Output is correct
120	Correct	46 ms	34652 KB	Output is correct
121	Correct	46 ms	34640 KB	Output is correct
122	Correct	51 ms	34716 KB	Output is correct
123	Correct	51 ms	34652 KB	Output is correct
124	Correct	64 ms	58076 KB	Output is correct
125	Correct	56 ms	58120 KB	Output is correct
126	Correct	55 ms	58052 KB	Output is correct
127	Correct	54 ms	58112 KB	Output is correct
128	Correct	27 ms	31452 KB	Output is correct
129	Correct	25 ms	31336 KB	Output is correct
130	Correct	23 ms	31448 KB	Output is correct
131	Correct	12 ms	27604 KB	Output is correct

답안 #824408

Compilation message

Subtask #1 10.0 / 10.0

Subtask #2 13.0 / 13.0

Subtask #3 13.0 / 13.0

Subtask #4 30.0 / 30.0

Subtask #5 34.0 / 34.0

Subtask #1
10.0 / 10.0

Subtask #2
13.0 / 13.0

Subtask #3
13.0 / 13.0

Subtask #4
30.0 / 30.0

Subtask #5
34.0 / 34.0