oj.uz

Submission #1099093

# Submission time Handle Problem Language Result Execution time Memory
1099093 2024-10-10T14:12:51 Z modwwe Employment (JOI16_employment) C++17
30 / 100
 118 ms 9168 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[200001];
    void upd(int x,int y)
    {
        for(x; x<=n; 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;
void solve_left()
{
    for(int i=3; i<=n; i++)
    {
        if(a[i-1]<a[i])
        {
            fen.upd(a[i-1]+1,1),
                    fen.upd(min(a[i]+1,b[i-1]+1),-1);
            // cout<<a[i-1]+1<<" "<<min(a[i]+1,b[i-1]+1),down
        }
    }
}
vector<int> v;
void phongbeo()
{
    cin>>n>>m;
    for(int i=1; i<=n; i++)
        cin>>a[i],v.pb(a[i]);
    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]);
    solve_left();
    for(int i=1; i<=m; i++)
    {
        cin>>l>>r;
        if(l==2)assert(0);
        if(r>v.back())cout<<0,down
                              else
            {
                r=lower_bound(v.begin(),v.end(),r)-v.begin()+1;

                cout<<fen.get(r)+1,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<=n; 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 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
0 / 10.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 600 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 2 ms 540 KB Output is correct
3 Correct 1 ms 348 KB Output is correct
4 Correct 7 ms 1084 KB Output is correct
5 Correct 15 ms 1756 KB Output is correct
6 Correct 24 ms 2520 KB Output is correct
7 Correct 38 ms 3568 KB Output is correct
8 Correct 47 ms 4316 KB Output is correct
9 Correct 79 ms 6604 KB Output is correct
10 Correct 80 ms 7116 KB Output is correct
11 Correct 102 ms 7876 KB Output is correct
12 Correct 106 ms 8912 KB Output is correct
13 Correct 108 ms 8908 KB Output is correct
14 Correct 105 ms 8888 KB Output is correct
15 Correct 115 ms 8916 KB Output is correct
16 Correct 118 ms 9168 KB Output is correct
17 Correct 109 ms 8952 KB Output is correct
18 Correct 112 ms 9160 KB Output is correct
19 Correct 114 ms 8928 KB Output is correct
20 Correct 117 ms 9168 KB Output is correct

Subtask #3
0 / 60.0

# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 600 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -