Submission #1111339

#	Time	Username	Problem	Language	Result	Execution time	Memory
1111339		modwwe	Martian DNA (BOI18_dna)	C++17	100 / 100	29 ms	6480 KiB

dna

#pragma GCC optimize("Ofast,unroll-loops")
//#pragma GCC optimize("conserve-stack")
#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".ans","w",stdout)
#define pb push_back
#define mask(k) (1<<k)
#define checktime   cerr << (double)clock() / CLOCKS_PER_SEC * 1000  << " ms";
using namespace std;
void phongbeo();
const int inf = 1e9;
const int mod2 = 1e9 + 7;
const int  mod1 = 998244353;
const ll base=67;
int add(int x,int y)
{
    if(x+y>=mod2) x-=mod2;
    if(x+y<0) x+=mod2;
    return x+y;
}
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, mid, l2, r2, center;
int  i, s10, s12,k1,k2,k3,s11,t,lim,w,l,r;
int kk;
int el = 19;
main()
{
    if(fopen(task".inp","r"))
    {
        fin(task);
        //  fou(task);
    }
    NHP
    /// cin>>s1;
    // modwwe
    phongbeo(),down
    // checktime
}
int a[200001];
int d[200001];
int c[200001];
void phongbeo()
{
    cin>>n>>k>>k;
    for(int i=1; i<=n; i++)
        cin>>a[i];
    for(int i=1; i<=k; i++)
        cin>>l>>r,d[l]=r;
    dem=0;
    for(int i=1; i<=n; i++)
    {
        c[a[i]]++;
        if(c[a[i]]==d[a[i]])dem++;
        if(dem==k)
        {
            s2 =i;
            break;
        }
    }
    s3=1;
    s4=inf;
    if(dem!=k)
    {
        cout<<"impossible";
       return;
    }
    l=1;
    s4=inf;
    c[a[s2]]--;
    for(int i=s2; i<=n; i++)
    {
        c[a[i]]++;
        while(true)
        {
            if(c[a[l]]==d[a[l]]) break;
            c[a[l]]--;
            l++;
        }
        s4=min(s4,i-l+1);
    }
    cout<<s4;
}

Compilation message (stderr)

dna.cpp:57:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   57 | main()
      | ^~~~
dna.cpp: In function 'int main()':
dna.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 fin(x) freopen(x".inp","r",stdin)
      |                ~~~~~~~^~~~~~~~~~~~~~~~~~~
dna.cpp:61:9: note: in expansion of macro 'fin'
   61 |         fin(task);
      |         ^~~

• Subtask 1: 16 / 16
• Subtask 2: 24 / 24
• Subtask 3: 28 / 28
• Subtask 4: 32 / 32