#320268 (C++17) No.791 うし数列

• 問題: No.791 うし数列
• ユーザー: Eclair1015
• 提出日時: 2019-02-28 23:49:10
• 言語: C++17 (gcc 13.3.0 + boost 1.87.0)
• 結果: WA
• 実行時間: -
• コード長: 1,502 bytes
• コンパイル時間: 807 ms
• コンパイル使用メモリ: 112,908 KB
• 最終ジャッジ日時: 2025-01-06 21:49:42
• ジャッジサーバーID （参考情報）: judge3 / judge1

ファイルパターン	結果
sample	AC * 2
other	AC * 14 WA * 1

ソースコード

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
//inlclude before define 
#define _USE_MATH_DEFINES
//include
#include<iostream>
#include<string>
#include<algorithm>
#include<vector>
#include<cmath>
#include<type_traits>
#include<numeric>
#include<deque>
#include<iomanip>
#include<set>
#include<unordered_set>
#include<tuple>
#include<map>
#include<memory>
using namespace std;
//typedef
typedef vector<int> VI;
typedef vector<string> VS;
typedef vector<char> VC;
typedef vector<double> VD;
typedef pair<int, int> P1;
typedef long long int ll;
//number
#define INF 1e9
#define NUM 1000000007
//itr
#define all(x) begin(x),end(x)
//repeat
#define rep(i,n) for(int i=0;i<(int)(n);i++)
#define REP(i,a,b) for(int i=int(a);i<int(b);i++)
#define RREPS(i,x) for(int i=((int)(x));i>=0;i--)
//max,min
#define chmin(a,b) a=min((a),(b))
#define chmax(a,b) a=max((a),(b))
//function
/*ll gcd(ll a, ll b) {
    if (b == 0) return a;
    else return gcd(b, a%b);
}*/
/*ll lcm(ll a,ll b) {
    ll g = gcd(a, b);
    return a * (b / g);
}*/
/*int dig(int a) {
    int sum = 0;
    while (a) {
        sum += a % 10;
        a /= 10;
    }
    return sum;
}*/
//grid template
int x[] = { -1, 0, 1, 0 };
int y[] = { 0,-1,0,1 };
int xx[] = { -1,-1,1,1 };
int yy[] = { 1,-1,1,-1 };
int main() {
    string s;
    cin >> s;
    if (s[0] != '1') {
        cout << -1 << endl;
        return 0;
    } else if (s[0] == 1 && s.size() == 1) {
        cout << 0 << endl;
    }
    int cnt = 0;
    REP(i,1, s.size()) {
        if (s[i] == '3') {
            cnt++;
        } else {
            cout << -1 << endl;
            return 0;
        }
    }
    cout << cnt << endl;
}
 
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX