Submission #1100049

#	Time	Username	Problem	Language	Result	Execution time	Memory
1100049		modwwe	Sushi (JOI16_sushi)	C++17	100 / 100	4900 ms	80036 KiB

sushi

#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".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 = 1e18;
const int mod2 = 1e9 + 7;
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,k3,s11,t,lim,w;
int kk;
int el = 19;

main()
{
    if(fopen(task".inp","r"))
    {
        fin(task);
        fou(task);
    }
    NHP
    /// cin>>s1;
///modwwe
    phongbeo();
    // checktime
}
vector<int> v[670];
struct chiacan
{
    vector<int> a;
    int sz=0;
    priority_queue<int,vector<int>,greater<int>>p;
    priority_queue<int,vector<int>>p2;
    void init(vector<int> v)
    {
        a.resize(v.size()+1);
        sz=v.size();
        for(int i=1; i<=v.size(); i++)
            a[i]=v[i-1],p2.push(a[i]);
    }
    int upd(int x)
    {
        p.push({x});
        if(p2.top()>x)
        {
            int ff=p2.top();
            p2.pop();
            p2.push(x);
            x=ff;
        }
        return x;
    }
    int reset(int l,int r,int y)
    {
        for(int i=1; i<=sz; i++)
        {
            if(!p.empty()&&a[i]>p.top())
            {
                int ff=a[i];
                a[i]=p.top();
                p.pop();
                p.push(ff);
            }
        }
        while(!p.empty())
            p.pop();
        while(!p2.empty())
            p2.pop();
        for(int i=l; i<=r; i++)
        {
            if(a[i]>y)
            {
                swap(a[i],y);
            }
        }
        for(int i=1; i<=sz; i++)
            p2.push({a[i]});
        return y;
    }
} bucket[670];
int S=634 ;
int upd(int l,int r,int x)
{
    if(l==0) l2=0;
    else l2=(l-1)/S+1;
    s10=-1;
    if(l%S!=0)
    {
        x=bucket[l/S].reset(l%S+1,min(l-l%S+S-1,r)%S+1,x);
        s10=min(l-l%S+S-1,r);
    }
    r2=(r+1)/S-1;
    for(int j=l2; j<=r2; j++)
        x=bucket[j].upd(x);
    if(s10!=r&&(r+1)%S!=0)
    {
        x=bucket[r/S].reset(1,r%S+1,x);
    }
    return x;
}
void phongbeo()
{
    cin>>n>>m;
    v[0].pb(0);
    for(int i=1; i<=n; i++)
    {
        cin>>l;
        v[i/S].pb(l);
    }
    for(int i=0; i<=n/S; i++)
        bucket[i].init(v[i]);
    for(int i=1; i<=m; i++)
    {
        cin>>l>>r>>s2;
        if(l<=r)
            cout<<upd(l,r,s2);
        else
        {
            s2=upd(l,n,s2);
            cout<<upd(0,r,s2);
        }
        down
    }
}

Compilation message (stderr)

sushi.cpp:37:17: warning: overflow in conversion from 'double' to 'int' changes value from '1.0e+18' to '2147483647' [-Woverflow]
   37 | const int inf = 1e18;
      |                 ^~~~
sushi.cpp:69:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   69 | main()
      | ^~~~
sushi.cpp: In member function 'void chiacan::init(std::vector<int>)':
sushi.cpp:93:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   93 |         for(int i=1; i<=v.size(); i++)
      |                      ~^~~~~~~~~~
sushi.cpp: In function 'int main()':
sushi.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)
      |                ~~~~~~~^~~~~~~~~~~~~~~~~~~
sushi.cpp:73:9: note: in expansion of macro 'fin'
   73 |         fin(task);
      |         ^~~
sushi.cpp:14:23: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
   14 | #define fou(x) freopen(x".out","w",stdout)
      |                ~~~~~~~^~~~~~~~~~~~~~~~~~~~
sushi.cpp:74:9: note: in expansion of macro 'fou'
   74 |         fou(task);
      |         ^~~

• Subtask 1: 5 / 5
• Subtask 2: 15 / 15
• Subtask 3: 80 / 80