oj.uz

Submission #155368

# Submission time Handle Problem Language Result Execution time Memory
155368 2019-09-27T16:48:24 Z TadijaSebez Employment (JOI16_employment) C++11
100 / 100
 4214 ms 114628 KB 
#include <bits/stdc++.h>
using namespace std;
const int N=200050;
const int lim=1e9;
struct BIT
{
	map<int,int> sum;
	void init(){ sum.clear();}
	BIT(){ init();}
	void Set(int i, int f){ for(;i<=lim;i+=i&-i) sum[i]+=f;}
	void Set(int l, int r, int f){ if(l<=r) Set(l,f),Set(r+1,-f);}
	int Get(int i){ int ans=0;for(;i;i-=i&-i) ans+=sum[i];return ans;}
} ST;
int a[N];
void Add(int i, int f)
{
	ST.Set(a[i+1]+1,a[i],f);
}
int main()
{
	int n,m;
	scanf("%i %i",&n,&m);
	for(int i=1;i<=n;i++) scanf("%i",&a[i]);
	for(int i=1;i<=n;i++) Add(i,1);
	while(m--)
	{
		int t,b,c,d;
		scanf("%i",&t);
		if(t==1) scanf("%i",&b),printf("%i\n",ST.Get(b));
		else
		{
			scanf("%i %i",&c,&d);
			if(c!=1) Add(c-1,-1);
			Add(c,-1);
			a[c]=d;
			if(c!=1) Add(c-1,1);
			Add(c,1);
		}
	}
	return 0;
}

Compilation message

employment.cpp: In function 'int main()':
employment.cpp:22:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%i %i",&n,&m);
  ~~~~~^~~~~~~~~~~~~~~
employment.cpp:23:29: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for(int i=1;i<=n;i++) scanf("%i",&a[i]);
                        ~~~~~^~~~~~~~~~~~
employment.cpp:28:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%i",&t);
   ~~~~~^~~~~~~~~
employment.cpp:29:26: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   if(t==1) scanf("%i",&b),printf("%i\n",ST.Get(b));
            ~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
employment.cpp:32:9: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    scanf("%i %i",&c,&d);
    ~~~~~^~~~~~~~~~~~~~~

Subtask #1
10.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 128 KB Output is correct
4 Correct 9 ms 1144 KB Output is correct
5 Correct 5 ms 760 KB Output is correct
6 Correct 6 ms 888 KB Output is correct
7 Correct 13 ms 1528 KB Output is correct
8 Correct 12 ms 1400 KB Output is correct
9 Correct 14 ms 1656 KB Output is correct
10 Correct 19 ms 2040 KB Output is correct
11 Correct 18 ms 1912 KB Output is correct
12 Correct 20 ms 2168 KB Output is correct
13 Correct 20 ms 2168 KB Output is correct
14 Correct 19 ms 2044 KB Output is correct
15 Correct 19 ms 2040 KB Output is correct

Subtask #2
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 376 KB Output is correct
2 Correct 8 ms 632 KB Output is correct
3 Correct 17 ms 2296 KB Output is correct
4 Correct 142 ms 12000 KB Output is correct
5 Correct 316 ms 21852 KB Output is correct
6 Correct 517 ms 32436 KB Output is correct
7 Correct 823 ms 47460 KB Output is correct
8 Correct 1098 ms 58116 KB Output is correct
9 Correct 2037 ms 91276 KB Output is correct
10 Correct 1838 ms 84064 KB Output is correct
11 Correct 2394 ms 101740 KB Output is correct
12 Correct 2740 ms 112768 KB Output is correct
13 Correct 2998 ms 113000 KB Output is correct
14 Correct 2586 ms 111504 KB Output is correct
15 Correct 2651 ms 110532 KB Output is correct
16 Correct 2720 ms 114576 KB Output is correct
17 Correct 2688 ms 114592 KB Output is correct
18 Correct 2686 ms 114628 KB Output is correct
19 Correct 2876 ms 114528 KB Output is correct
20 Correct 2743 ms 113188 KB Output is correct

Subtask #3
60.0 / 60.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 384 KB Output is correct
2 Correct 2 ms 256 KB Output is correct
3 Correct 2 ms 128 KB Output is correct
4 Correct 9 ms 1144 KB Output is correct
5 Correct 5 ms 760 KB Output is correct
6 Correct 6 ms 888 KB Output is correct
7 Correct 13 ms 1528 KB Output is correct
8 Correct 12 ms 1400 KB Output is correct
9 Correct 14 ms 1656 KB Output is correct
10 Correct 19 ms 2040 KB Output is correct
11 Correct 18 ms 1912 KB Output is correct
12 Correct 20 ms 2168 KB Output is correct
13 Correct 20 ms 2168 KB Output is correct
14 Correct 19 ms 2044 KB Output is correct
15 Correct 19 ms 2040 KB Output is correct
16 Correct 4 ms 376 KB Output is correct
17 Correct 8 ms 632 KB Output is correct
18 Correct 17 ms 2296 KB Output is correct
19 Correct 142 ms 12000 KB Output is correct
20 Correct 316 ms 21852 KB Output is correct
21 Correct 517 ms 32436 KB Output is correct
22 Correct 823 ms 47460 KB Output is correct
23 Correct 1098 ms 58116 KB Output is correct
24 Correct 2037 ms 91276 KB Output is correct
25 Correct 1838 ms 84064 KB Output is correct
26 Correct 2394 ms 101740 KB Output is correct
27 Correct 2740 ms 112768 KB Output is correct
28 Correct 2998 ms 113000 KB Output is correct
29 Correct 2586 ms 111504 KB Output is correct
30 Correct 2651 ms 110532 KB Output is correct
31 Correct 2720 ms 114576 KB Output is correct
32 Correct 2688 ms 114592 KB Output is correct
33 Correct 2686 ms 114628 KB Output is correct
34 Correct 2876 ms 114528 KB Output is correct
35 Correct 2743 ms 113188 KB Output is correct
36 Correct 5 ms 376 KB Output is correct
37 Correct 10 ms 632 KB Output is correct
38 Correct 25 ms 2552 KB Output is correct
39 Correct 191 ms 11980 KB Output is correct
40 Correct 392 ms 19708 KB Output is correct
41 Correct 813 ms 31760 KB Output is correct
42 Correct 1228 ms 43908 KB Output is correct
43 Correct 1607 ms 56180 KB Output is correct
44 Correct 3243 ms 96616 KB Output is correct
45 Correct 2512 ms 80424 KB Output is correct
46 Correct 2798 ms 87032 KB Output is correct
47 Correct 3852 ms 110960 KB Output is correct
48 Correct 4128 ms 112212 KB Output is correct
49 Correct 4038 ms 112176 KB Output is correct
50 Correct 4114 ms 109336 KB Output is correct
51 Correct 4081 ms 113644 KB Output is correct
52 Correct 4006 ms 113732 KB Output is correct
53 Correct 4214 ms 113840 KB Output is correct
54 Correct 4131 ms 113768 KB Output is correct
55 Correct 4003 ms 112304 KB Output is correct