oj.uz

Submission #142800

# Submission time Handle Problem Language Result Execution time Memory
142800 2019-08-11T06:16:55 Z cheetose Employment (JOI16_employment) C++11
40 / 100
 400 ms 29540 KB 
#include<cstdio>
#include<cstdlib>
#include<iostream>
#include<vector>
#include<queue>
#include<bitset>
#include<string>
#include<stack>
#include<set>
#include<unordered_set>
#include<map>
#include<unordered_map>
#include<cstring>
#include<complex>
#include<cmath>
#include<iomanip>
#include<numeric>
#include<algorithm>
#include<list>
#include<functional>
#include<cassert>
#define mp make_pair
#define pb push_back
#define X first
#define Y second
#define y0 y12
#define y1 y22
#define INF 987654321987654321
#define PI 3.141592653589793238462643383279502884
#define fup(i,a,b,c) for(int (i)=(a);(i)<=(b);(i)+=(c))
#define fdn(i,a,b,c) for(int (i)=(a);(i)>=(b);(i)-=(c))
#define MEM0(a) memset((a),0,sizeof(a));
#define MEM_1(a) memset((a),-1,sizeof(a));
#define ALL(a) a.begin(),a.end()
#define SYNC ios_base::sync_with_stdio(false);cin.tie(0)
using namespace std;
typedef long long ll;
typedef long double ld;
typedef double db;
typedef unsigned int uint;
typedef unsigned long long ull;
typedef pair<int, int> Pi;
typedef pair<ll, ll> Pll;
typedef pair<ld, ld> Pd;
typedef vector<int> Vi;
typedef vector<ll> Vll;
typedef vector<double> Vd;
typedef vector<Pi> VPi;
typedef vector<Pll> VPll;
typedef vector<Pd> VPd;
typedef tuple<int, int, int> iii;
typedef tuple<int,int,int,int> iiii;
typedef tuple<ll, ll, ll> LLL;
typedef vector<iii> Viii;
typedef vector<LLL> VLLL;
typedef complex<double> base;
const ll MOD = 1000000007;
ll POW(ll a, ll b, ll MMM = MOD) {ll ret=1; for(;b;b>>=1,a=(a*a)%MMM)if(b&1)ret=(ret*a)% MMM; return ret; }
ll gcd(ll a, ll b) { return b ? gcd(b, a%b) : a; }
ll lcm(ll a, ll b) { if (a == 0 || b == 0)return a + b; return a*(b / gcd(a, b)); }
int dx[] = { 0,1,0,-1,1,1,-1,-1 }, dy[] = { 1,0,-1,0,1,-1,1,-1 };

int a[200005];
int o[200005],x[200005],y[200005];
int init[400001];
Vi v[400001];
int n,m,N;
Vi vv;
int tree[400002];
void upd(int i, int k)
{
	while (i <= N)
	{
		tree[i] += k;
		i += (i&-i);
	}
}
int sum(int i)
{
	int c = 0;
	while (i > 0)
	{
		c += tree[i];
		i -= (i&-i);
	}
	return c;
}
void upd(int L,int R,int k)
{
	upd(L,k);
	upd(R+1,-k);
}
int L[400001],R[400001];
void del(int x)
{
	int l=L[x],r=R[x];
	R[l]=r,L[r]=l;
}
int main() {
	scanf("%d%d",&n,&m);
	fup(i,1,n,1)
	{
		scanf("%d",a+i);
		vv.pb(a[i]);
	}
	fup(i,1,m,1)
	{
		scanf("%d%d",o+i,x+i);
		if(o[i]==2)
		{
			scanf("%d",y+i);
			vv.pb(y[i]);
		}
	}
	sort(ALL(vv));
	vv.resize(unique(ALL(vv))-vv.begin());
	N=vv.size();
	fup(i,1,n,1)
	{
		a[i]=lower_bound(ALL(vv),a[i])-vv.begin()+1;
		v[a[i]].pb(i);
	}
	fup(i,1,m,1)if(o[i]==2)y[i]=lower_bound(ALL(vv),y[i])-vv.begin()+1;
	int t=0;
	fup(i,1,n,1)
	{
		L[i]=i-1,R[i]=i+1;
	}
	fdn(i,N,1,1)
	{
		for(int j:v[i])
		{
			if(L[j]==j-1 && R[j]==j+1)t++;
			if(L[j]!=j-1 && R[j]!=j+1)t--;
			del(j);
		}
		init[i]=t;
	}
	fup(i,1,m,1)
	{
		if(o[i]==1)
		{
			int tt=lower_bound(ALL(vv),x[i])-vv.begin()+1;
			printf("%d\n",init[tt]+sum(tt));
		}
		else
		{
			int A=a[x[i]-1],B=a[x[i]],C=a[x[i]+1];
			if(A>C)swap(A,C);
			if(B>C)upd(C+1,B,-1);
			if(A<=B)upd(1,A,1);
			else upd(1,B,1);
			if(A<=y[i])upd(1,A,-1);
			else upd(1,y[i],-1);
			if(y[i]>C)upd(C+1,y[i],1);
			a[x[i]]=y[i];
		}
	}
}

Compilation message

employment.cpp: In function 'int main()':
employment.cpp:100:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d%d",&n,&m);
  ~~~~~^~~~~~~~~~~~~~
employment.cpp:103:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d",a+i);
   ~~~~~^~~~~~~~~~
employment.cpp:108:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d",o+i,x+i);
   ~~~~~^~~~~~~~~~~~~~~~
employment.cpp:111:9: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    scanf("%d",y+i);
    ~~~~~^~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9720 KB Output is correct
2 Correct 11 ms 9720 KB Output is correct
3 Correct 11 ms 9848 KB Output is correct
4 Correct 11 ms 9848 KB Output is correct
5 Correct 11 ms 9848 KB Output is correct
6 Correct 12 ms 9848 KB Output is correct
7 Correct 13 ms 9848 KB Output is correct
8 Correct 12 ms 9848 KB Output is correct
9 Correct 12 ms 9848 KB Output is correct
10 Correct 13 ms 9976 KB Output is correct
11 Correct 13 ms 9980 KB Output is correct
12 Correct 13 ms 9976 KB Output is correct
13 Correct 13 ms 9976 KB Output is correct
14 Correct 13 ms 9976 KB Output is correct
15 Correct 13 ms 9976 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 9820 KB Output is correct
2 Correct 15 ms 9976 KB Output is correct
3 Correct 13 ms 9976 KB Output is correct
4 Correct 29 ms 11004 KB Output is correct
5 Correct 48 ms 12664 KB Output is correct
6 Correct 65 ms 13644 KB Output is correct
7 Correct 107 ms 16240 KB Output is correct
8 Correct 125 ms 17520 KB Output is correct
9 Correct 198 ms 21556 KB Output is correct
10 Correct 221 ms 23788 KB Output is correct
11 Correct 281 ms 24804 KB Output is correct
12 Correct 280 ms 26476 KB Output is correct
13 Correct 287 ms 26828 KB Output is correct
14 Correct 281 ms 26284 KB Output is correct
15 Correct 282 ms 26572 KB Output is correct
16 Correct 290 ms 26984 KB Output is correct
17 Correct 289 ms 27032 KB Output is correct
18 Correct 327 ms 26984 KB Output is correct
19 Correct 297 ms 26856 KB Output is correct
20 Correct 298 ms 27088 KB Output is correct

Subtask #3
0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9720 KB Output is correct
2 Correct 11 ms 9720 KB Output is correct
3 Correct 11 ms 9848 KB Output is correct
4 Correct 11 ms 9848 KB Output is correct
5 Correct 11 ms 9848 KB Output is correct
6 Correct 12 ms 9848 KB Output is correct
7 Correct 13 ms 9848 KB Output is correct
8 Correct 12 ms 9848 KB Output is correct
9 Correct 12 ms 9848 KB Output is correct
10 Correct 13 ms 9976 KB Output is correct
11 Correct 13 ms 9980 KB Output is correct
12 Correct 13 ms 9976 KB Output is correct
13 Correct 13 ms 9976 KB Output is correct
14 Correct 13 ms 9976 KB Output is correct
15 Correct 13 ms 9976 KB Output is correct
16 Correct 12 ms 9820 KB Output is correct
17 Correct 15 ms 9976 KB Output is correct
18 Correct 13 ms 9976 KB Output is correct
19 Correct 29 ms 11004 KB Output is correct
20 Correct 48 ms 12664 KB Output is correct
21 Correct 65 ms 13644 KB Output is correct
22 Correct 107 ms 16240 KB Output is correct
23 Correct 125 ms 17520 KB Output is correct
24 Correct 198 ms 21556 KB Output is correct
25 Correct 221 ms 23788 KB Output is correct
26 Correct 281 ms 24804 KB Output is correct
27 Correct 280 ms 26476 KB Output is correct
28 Correct 287 ms 26828 KB Output is correct
29 Correct 281 ms 26284 KB Output is correct
30 Correct 282 ms 26572 KB Output is correct
31 Correct 290 ms 26984 KB Output is correct
32 Correct 289 ms 27032 KB Output is correct
33 Correct 327 ms 26984 KB Output is correct
34 Correct 297 ms 26856 KB Output is correct
35 Correct 298 ms 27088 KB Output is correct
36 Correct 12 ms 9848 KB Output is correct
37 Correct 12 ms 9976 KB Output is correct
38 Correct 14 ms 9980 KB Output is correct
39 Correct 32 ms 11404 KB Output is correct
40 Correct 49 ms 12404 KB Output is correct
41 Correct 77 ms 14164 KB Output is correct
42 Correct 120 ms 16684 KB Output is correct
43 Correct 148 ms 18668 KB Output is correct
44 Correct 298 ms 27120 KB Output is correct
45 Correct 237 ms 23660 KB Output is correct
46 Correct 261 ms 25112 KB Output is correct
47 Correct 342 ms 29368 KB Output is correct
48 Correct 400 ms 29416 KB Output is correct
49 Correct 349 ms 29540 KB Output is correct
50 Incorrect 343 ms 29332 KB Output isn't correct
51 Halted 0 ms 0 KB -