Submission #1094353

#	Time	Username	Problem	Language	Result	Execution time	Memory
1094353		modwwe	JJOOII 2 (JOI20_ho_t2)	C++17	100 / 100	5 ms	3936 KiB

ho_t2

#pragma GCC optimize("Ofast,unroll-loops")
#include<bits/stdc++.h>
//#define int long long
//#define ll long long
#define down cout<<'\n';
#define debug cout<<" cucuucucuuu",down
#define NHP     ios_base::sync_with_stdio(0);cout.tie(0);cin.tie(0);
#define modwwe  int t;cin>>t; while(t--)
#define bit(i,j) (i>>j&1)
#define sobit(a) __builtin_popcountll(a)
#define task "test"
#define fin(x) freopen(x".inp","r",stdin)
#define fou(x) freopen(x".out","w",stdout)
#define pb push_back
#define checktime   cerr << (double)clock() / CLOCKS_PER_SEC * 1000  << " ms";
using namespace std;
#define getchar_unlocked getchar

inline int scan()
{
    char c = getchar_unlocked();
    int x = 0;
    while (c < '0' || c > '9')
    {
        c = getchar_unlocked();
    }
    while (c >= '0' && c <= '9')
    {
        x = (x << 1) + (x << 3) + c - '0';
        c = getchar_unlocked();
    }
    return x;
}

void phongbeo();
const int inf = 1e17;
const int mod2 = 1e9 + 9;
const int  mod1 = 998244353;
struct icd
{
    long double a;
    int b;
};
struct ib
{
    int a;
    int b;
};
struct ic
{
    int a, b, c;
};
struct id
{
    int a, b, c, d;
};
struct ie
{
    int a, b, c, d, e;

};

int n, m, s1, s2, s4, s3, sf, k, s5, s6, mx, s7, s8, s9, mx2, res, dem2 = 0, dem = 0, s33, dem3, dem4, l, r, mid, l2, r2, center;
int  i, s10, s12,k1,k2,s11;
int kk;
int el = 19;
main()
{
    if(fopen(task".inp","r"))
    {
        fin(task);
        fou(task);
    }
    NHP
    /// cin>>s1;
///modwwe
    phongbeo();
    // checktime
}
string s;
int a[200001];
int d[200001][3];
int g[200001];
int f[200001];
int c[200001];
void phongbeo()
{
    cin>>n>>k>>s;
    s=" "+s;
    for(int i=1; i<=n; i++)
        if(s[i]=='J')
            a[i]=0;
        else if(s[i]=='O')
            a[i]=1;
        else a[i]=2;
    for(int i=1; i<=n; i++)
    {
        c[a[i]]++;
        d[c[a[i]]][a[i]]=i;
          g[i]=c[a[i]];
          if(a[i]==0)
          f[i]=c[1];
          else  if(a[i]==1)
          f[i]=c[2];
    }
    s4=n+1;
    for(int i=1; i<=n; i++)
    {
        if(a[i]==0)
        {
            s2=g[i]+k-1;
            s2=d[s2][0];
            if(s2==0) continue;
            s2=f[s2]+k;
            s2=d[s2][1];
            if(s2==0)continue;
            s2=f[s2]+k;
            s2=d[s2][2];
            if(s2==0) continue;
            s4=min(s4,s2-i+1-3*k);
        }
    }
    if(s4==n+1) cout<<-1;
     else
    cout<<s4;
}

Compilation message (stderr)

ho_t2.cpp:36:17: warning: overflow in conversion from 'double' to 'int' changes value from '1.0e+17' to '2147483647' [-Woverflow]
   36 | const int inf = 1e17;
      |                 ^~~~
ho_t2.cpp:67:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   67 | main()
      | ^~~~
ho_t2.cpp: In function 'int main()':
ho_t2.cpp:12:23: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   12 | #define fin(x) freopen(x".inp","r",stdin)
      |                ~~~~~~~^~~~~~~~~~~~~~~~~~~
ho_t2.cpp:71:9: note: in expansion of macro 'fin'
   71 |         fin(task);
      |         ^~~
ho_t2.cpp:13:23: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   13 | #define fou(x) freopen(x".out","w",stdout)
      |                ~~~~~~~^~~~~~~~~~~~~~~~~~~~
ho_t2.cpp:72:9: note: in expansion of macro 'fou'
   72 |         fou(task);
      |         ^~~

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