Submission #201034

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
201034	2020-02-09 06:38:53	HellAngel	JJOOII 2 (JOI20_ho_t2)	C++14	100 / 100	94 ms	48516 KiB

ho_t2

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#include <bits/stdc++.h>
using namespace std;
const int maxn = 200007;
string s;
int nxt[20][maxn][3], a[maxn], n, k, ans;
void Jump(int &pos, int type, int cnt)
{
    for(int i = 19; i >= 0; i--)
    {
        if(cnt >= (1 << i))
        {
            cnt -= (1 << i);
            pos = nxt[i][pos][type];
        }
    }
}
int32_t main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    if(fopen("test.inp", "r")) freopen("test.inp", "r", stdin);
    cin >> n >> k >> s;
    ans = n + 1;
    for(int i = 1; i <= n; i++)
    {
        if(s[i - 1] == 'J') a[i] = 0;
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
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Compilation message (stderr)

ho_t2.cpp: In function 'int32_t main()':
ho_t2.cpp:25:39: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
     if(fopen("test.inp", "r")) freopen("test.inp", "r", stdin);
                                ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 1 / 1
• Subtask 2: 12 / 12
• Subtask 3: 87 / 87