oj.uz

Submission #142804

# Submission time Handle Problem Language Result Execution time Memory
142804 2019-08-11T06:32:36 Z cheetose Employment (JOI16_employment) C++11
100 / 100
 389 ms 25536 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+1)
	{
		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 10 ms 9720 KB Output is correct
3 Correct 10 ms 9720 KB Output is correct
4 Correct 11 ms 9848 KB Output is correct
5 Correct 11 ms 9848 KB Output is correct
6 Correct 11 ms 9848 KB Output is correct
7 Correct 11 ms 9848 KB Output is correct
8 Correct 11 ms 9848 KB Output is correct
9 Correct 14 ms 9852 KB Output is correct
10 Correct 16 ms 9976 KB Output is correct
11 Correct 13 ms 9976 KB Output is correct
12 Correct 13 ms 9996 KB Output is correct
13 Correct 13 ms 9908 KB Output is correct
14 Correct 12 ms 9896 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 9848 KB Output is correct
2 Correct 13 ms 9900 KB Output is correct
3 Correct 13 ms 9976 KB Output is correct
4 Correct 26 ms 10972 KB Output is correct
5 Correct 47 ms 12532 KB Output is correct
6 Correct 63 ms 12980 KB Output is correct
7 Correct 102 ms 15040 KB Output is correct
8 Correct 118 ms 15984 KB Output is correct
9 Correct 192 ms 18652 KB Output is correct
10 Correct 225 ms 21208 KB Output is correct
11 Correct 281 ms 21388 KB Output is correct
12 Correct 276 ms 23020 KB Output is correct
13 Correct 299 ms 23364 KB Output is correct
14 Correct 283 ms 22892 KB Output is correct
15 Correct 299 ms 23020 KB Output is correct
16 Correct 283 ms 23276 KB Output is correct
17 Correct 286 ms 23400 KB Output is correct
18 Correct 289 ms 23276 KB Output is correct
19 Correct 293 ms 23240 KB Output is correct
20 Correct 284 ms 23276 KB Output is correct

Subtask #3
60.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 9720 KB Output is correct
2 Correct 10 ms 9720 KB Output is correct
3 Correct 10 ms 9720 KB Output is correct
4 Correct 11 ms 9848 KB Output is correct
5 Correct 11 ms 9848 KB Output is correct
6 Correct 11 ms 9848 KB Output is correct
7 Correct 11 ms 9848 KB Output is correct
8 Correct 11 ms 9848 KB Output is correct
9 Correct 14 ms 9852 KB Output is correct
10 Correct 16 ms 9976 KB Output is correct
11 Correct 13 ms 9976 KB Output is correct
12 Correct 13 ms 9996 KB Output is correct
13 Correct 13 ms 9908 KB Output is correct
14 Correct 12 ms 9896 KB Output is correct
15 Correct 13 ms 9976 KB Output is correct
16 Correct 12 ms 9848 KB Output is correct
17 Correct 13 ms 9900 KB Output is correct
18 Correct 13 ms 9976 KB Output is correct
19 Correct 26 ms 10972 KB Output is correct
20 Correct 47 ms 12532 KB Output is correct
21 Correct 63 ms 12980 KB Output is correct
22 Correct 102 ms 15040 KB Output is correct
23 Correct 118 ms 15984 KB Output is correct
24 Correct 192 ms 18652 KB Output is correct
25 Correct 225 ms 21208 KB Output is correct
26 Correct 281 ms 21388 KB Output is correct
27 Correct 276 ms 23020 KB Output is correct
28 Correct 299 ms 23364 KB Output is correct
29 Correct 283 ms 22892 KB Output is correct
30 Correct 299 ms 23020 KB Output is correct
31 Correct 283 ms 23276 KB Output is correct
32 Correct 286 ms 23400 KB Output is correct
33 Correct 289 ms 23276 KB Output is correct
34 Correct 293 ms 23240 KB Output is correct
35 Correct 284 ms 23276 KB Output is correct
36 Correct 12 ms 9848 KB Output is correct
37 Correct 15 ms 9976 KB Output is correct
38 Correct 13 ms 9980 KB Output is correct
39 Correct 31 ms 11512 KB Output is correct
40 Correct 47 ms 12020 KB Output is correct
41 Correct 77 ms 13680 KB Output is correct
42 Correct 119 ms 15604 KB Output is correct
43 Correct 148 ms 17140 KB Output is correct
44 Correct 293 ms 23752 KB Output is correct
45 Correct 230 ms 21068 KB Output is correct
46 Correct 249 ms 22092 KB Output is correct
47 Correct 345 ms 25272 KB Output is correct
48 Correct 344 ms 25320 KB Output is correct
49 Correct 342 ms 25444 KB Output is correct
50 Correct 342 ms 25420 KB Output is correct
51 Correct 352 ms 25536 KB Output is correct
52 Correct 350 ms 25316 KB Output is correct
53 Correct 350 ms 25188 KB Output is correct
54 Correct 389 ms 25288 KB Output is correct
55 Correct 349 ms 25176 KB Output is correct