oj.uz

답안 #1099255

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
1099255 2024-10-11T03:21:28 Z modwwe Employment (JOI16_employment) C++17
100 / 100
 243 ms 15036 KB 
#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
}
int a[200001];
int b[200001];

struct bit
{
    int bit[500001];
    void upd(int x,int y)
    {
        for(x; x<=k; x+=x&-x)
            bit[x]+=y;
    }
    int get(int x)
    {
        int s=0;
        for(x; x; x-=x&-x)
            s+=bit[x];
        return s;
    }
} fen;
struct IT
{
    int t[800001];
    void build(int node,int l,int r)
    {
        if(l==r)
        {
            t[node]=a[l];
            return;
        }
        int mid=l+r>>1;
        build(node<<1,l,mid);
        build(node<<1|1,mid+1,r);
        t[node]=max(t[node<<1],t[node<<1|1]);
    }
    void upd(int node,int l,int r,int l1)
    {
        if(l==r)
        {
            t[node]=a[l];
            return;
        }
        int mid=l+r>>1;
        if(l1<=mid)upd(node<<1,l,mid,l1);
        else  upd(node<<1|1,mid+1,r,l1);
        t[node]=max(t[node<<1],t[node<<1|1]);
    }
    int get(int node,int l,int r,int l1,int r1)
    {
        if(l>r1||r<l1) return 0;
        if(l>=l1&&r<=r1) return t[node];
        int mid=l+r>>1;
        return max(get(node<<1,l,mid,l1,r1),get(node<<1|1,mid+1,r,l1,r1));
    }
} st;
void solve_left()
{
    for(int i=2; i<=n; i++)
    {
        if(a[i-1]<a[i])
        {
            fen.upd(a[i-1]+1,1),
                    fen.upd(a[i]+1,-1);
        }
    }
}
void del2(int x)
{
    if(x==n+1)return;
    if(x==1) return;
    if(a[x-1]>=a[x])return;
    fen.upd(a[x-1]+1,-1);
    fen.upd(a[x]+1,1);
}
void del(int x)
{
    del2(x+1);
    del2(x);
}
void add2(int x)
{
    if(x==n+1) return;
    if(x==1) return;
    if(a[x-1]>=a[x])return;
    fen.upd(a[x-1]+1,1);
    fen.upd(a[x]+1,-1);
}
void add(int x)
{
    add2(x);
    add2(x+1);
}
void upd(int x,int y)
{
    del(x);
    a[x]=y;
    st.upd(1,1,n,x);
    add(x);

}
vector<int> v;
vector<ic> v2;
void phongbeo()
{
    cin>>n>>m;
    for(int i=1; i<=n; i++)
        cin>>a[i],v.pb(a[i]);

    for(int i=1; i<=m; i++)
    {
        cin>>l;
        if(l==2)
        {
            cin>>l>>r;
            v.pb(r);
            v2.pb({2,l,r});
        }
        else
        {
            cin>>l;
            v2.pb({1,l,0});
        }
    }
    sort(v.begin(),v.end());
    for(int i=1; i<=n; i++)
        a[i]=lower_bound(v.begin(),v.end(),a[i])-v.begin()+1;
    for(int i=1; i<=n; i++)
        b[i]=max(b[i-1],a[i]);
    k=v.size();
    st.build(1,1,n);
    solve_left();
    for(int i=1; i<=m; i++)
    {
        if(v2[i-1].a==2)
        {
            l=v2[i-1].b;
            r=v2[i-1].c;
            r=lower_bound(v.begin(),v.end(),r)-v.begin()+1;
            upd(l,r);
            continue;
        }
        r=v2[i-1].b;
        /// cout<<st.t[1],down
        if(r>v[st.t[1]-1])cout<<0,down
                    else
            {
              r=lower_bound(v.begin(),v.end(),r)-v.begin()+1;
                s2=fen.get(r)+1;
                l2=1;
                r2=n;
                while(l2<=r2)
                {
                    int mid=l2+r2>>1;
                    if(st.get(1,1,n,1,mid)>=r)r2=mid-1;
                    else l2=mid+1;
                }
                r2++;
                if(r2!=1)
                    if((st.get(1,1,n,1,mid)<a[r2])&&a[r2-1]<a[r2])s2--;
                cout<<s2,down

            }
    }
}

Compilation message

employment.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;
      |                 ^~~~
employment.cpp:69:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   69 | main()
      | ^~~~
employment.cpp: In member function 'void bit::upd(int, int)':
employment.cpp:90:13: warning: statement has no effect [-Wunused-value]
   90 |         for(x; x<=k; x+=x&-x)
      |             ^
employment.cpp: In member function 'int bit::get(int)':
employment.cpp:96:13: warning: statement has no effect [-Wunused-value]
   96 |         for(x; x; x-=x&-x)
      |             ^
employment.cpp: In member function 'void IT::build(int, int, int)':
employment.cpp:111:18: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  111 |         int mid=l+r>>1;
      |                 ~^~
employment.cpp: In member function 'void IT::upd(int, int, int, int)':
employment.cpp:123:18: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  123 |         int mid=l+r>>1;
      |                 ~^~
employment.cpp: In member function 'int IT::get(int, int, int, int, int)':
employment.cpp:132:18: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  132 |         int mid=l+r>>1;
      |                 ~^~
employment.cpp: In function 'void phongbeo()':
employment.cpp:233:31: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  233 |                     int mid=l2+r2>>1;
      |                             ~~^~~
employment.cpp: In function 'int main()':
employment.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)
      |                ~~~~~~~^~~~~~~~~~~~~~~~~~~
employment.cpp:73:9: note: in expansion of macro 'fin'
   73 |         fin(task);
      |         ^~~
employment.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)
      |                ~~~~~~~^~~~~~~~~~~~~~~~~~~~
employment.cpp:74:9: note: in expansion of macro 'fou'
   74 |         fou(task);
      |         ^~~

Subtask #1
10.0 / 10.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 428 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 600 KB Output is correct
8 Correct 1 ms 476 KB Output is correct
9 Correct 1 ms 604 KB Output is correct
10 Correct 2 ms 600 KB Output is correct
11 Correct 2 ms 604 KB Output is correct
12 Correct 1 ms 604 KB Output is correct
13 Correct 3 ms 604 KB Output is correct
14 Correct 2 ms 604 KB Output is correct
15 Correct 2 ms 648 KB Output is correct

Subtask #2
30.0 / 30.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 604 KB Output is correct
2 Correct 2 ms 604 KB Output is correct
3 Correct 2 ms 604 KB Output is correct
4 Correct 15 ms 1672 KB Output is correct
5 Correct 28 ms 2780 KB Output is correct
6 Correct 42 ms 3660 KB Output is correct
7 Correct 76 ms 5708 KB Output is correct
8 Correct 108 ms 6704 KB Output is correct
9 Correct 177 ms 9600 KB Output is correct
10 Correct 149 ms 10576 KB Output is correct
11 Correct 230 ms 12228 KB Output is correct
12 Correct 238 ms 13252 KB Output is correct
13 Correct 243 ms 13264 KB Output is correct
14 Correct 236 ms 13248 KB Output is correct
15 Correct 226 ms 13372 KB Output is correct
16 Correct 222 ms 13456 KB Output is correct
17 Correct 209 ms 13504 KB Output is correct
18 Correct 199 ms 13512 KB Output is correct
19 Correct 205 ms 13512 KB Output is correct
20 Correct 207 ms 13508 KB Output is correct

Subtask #3
60.0 / 60.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 1 ms 348 KB Output is correct
3 Correct 1 ms 428 KB Output is correct
4 Correct 1 ms 344 KB Output is correct
5 Correct 1 ms 348 KB Output is correct
6 Correct 1 ms 348 KB Output is correct
7 Correct 1 ms 600 KB Output is correct
8 Correct 1 ms 476 KB Output is correct
9 Correct 1 ms 604 KB Output is correct
10 Correct 2 ms 600 KB Output is correct
11 Correct 2 ms 604 KB Output is correct
12 Correct 1 ms 604 KB Output is correct
13 Correct 3 ms 604 KB Output is correct
14 Correct 2 ms 604 KB Output is correct
15 Correct 2 ms 648 KB Output is correct
16 Correct 2 ms 604 KB Output is correct
17 Correct 2 ms 604 KB Output is correct
18 Correct 2 ms 604 KB Output is correct
19 Correct 15 ms 1672 KB Output is correct
20 Correct 28 ms 2780 KB Output is correct
21 Correct 42 ms 3660 KB Output is correct
22 Correct 76 ms 5708 KB Output is correct
23 Correct 108 ms 6704 KB Output is correct
24 Correct 177 ms 9600 KB Output is correct
25 Correct 149 ms 10576 KB Output is correct
26 Correct 230 ms 12228 KB Output is correct
27 Correct 238 ms 13252 KB Output is correct
28 Correct 243 ms 13264 KB Output is correct
29 Correct 236 ms 13248 KB Output is correct
30 Correct 226 ms 13372 KB Output is correct
31 Correct 222 ms 13456 KB Output is correct
32 Correct 209 ms 13504 KB Output is correct
33 Correct 199 ms 13512 KB Output is correct
34 Correct 205 ms 13512 KB Output is correct
35 Correct 207 ms 13508 KB Output is correct
36 Correct 2 ms 604 KB Output is correct
37 Correct 2 ms 604 KB Output is correct
38 Correct 2 ms 604 KB Output is correct
39 Correct 15 ms 1884 KB Output is correct
40 Correct 25 ms 2580 KB Output is correct
41 Correct 42 ms 3916 KB Output is correct
42 Correct 65 ms 5700 KB Output is correct
43 Correct 102 ms 7108 KB Output is correct
44 Correct 180 ms 12988 KB Output is correct
45 Correct 140 ms 11204 KB Output is correct
46 Correct 157 ms 11908 KB Output is correct
47 Correct 219 ms 14600 KB Output is correct
48 Correct 217 ms 14880 KB Output is correct
49 Correct 218 ms 14780 KB Output is correct
50 Correct 208 ms 14776 KB Output is correct
51 Correct 208 ms 14820 KB Output is correct
52 Correct 197 ms 15028 KB Output is correct
53 Correct 206 ms 15036 KB Output is correct
54 Correct 200 ms 15036 KB Output is correct
55 Correct 209 ms 15032 KB Output is correct