Submission #1099254

# Submission time Handle Problem Language Result Execution time Memory
1099254 2024-10-11T03:14:25 Z modwwe Employment (JOI16_employment) C++17
30 / 100
133 ms 9196 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=2; i<=n; i++)
    {
        if(a[i-1]<a[i])
        {
            fen.upd(a[i-1]+1,1),
                    fen.upd(a[i]+1,-1);
        }
    }
}
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;
                s2=fen.get(r)+1;
                l2=1;
                r2=n;
                while(l2<=r2)
                {
                    int mid=l2+r2>>1;
                    if(b[mid]>=r)r2=mid-1;
                    else l2=mid+1;
                }
                r2++;
                if(r2!=1)
                    if((b[r2-1]<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<=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 'void phongbeo()':
employment.cpp:137:31: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
  137 |                     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);
      |         ^~~
# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 600 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 1 ms 348 KB Output is correct
2 Correct 2 ms 576 KB Output is correct
3 Correct 2 ms 348 KB Output is correct
4 Correct 8 ms 1116 KB Output is correct
5 Correct 18 ms 1756 KB Output is correct
6 Correct 26 ms 2520 KB Output is correct
7 Correct 42 ms 3796 KB Output is correct
8 Correct 54 ms 4280 KB Output is correct
9 Correct 91 ms 6596 KB Output is correct
10 Correct 87 ms 7176 KB Output is correct
11 Correct 105 ms 7908 KB Output is correct
12 Correct 125 ms 8744 KB Output is correct
13 Correct 117 ms 8932 KB Output is correct
14 Correct 118 ms 8644 KB Output is correct
15 Correct 119 ms 8908 KB Output is correct
16 Correct 133 ms 8916 KB Output is correct
17 Correct 118 ms 8924 KB Output is correct
18 Correct 124 ms 8912 KB Output is correct
19 Correct 121 ms 8908 KB Output is correct
20 Correct 120 ms 9196 KB Output is correct
# Verdict Execution time Memory Grader output
1 Runtime error 1 ms 600 KB Execution killed with signal 6
2 Halted 0 ms 0 KB -