CSES - IZhO 2017, day 2

CSES - IZhO 2017, day 2 - Results

Submission details
Task:	Simple game
Sender:	henrikaalto
Submission time:	2019-02-10 20:44:01 +0200
Language:	C++
Status:	READY
Result:	22

Feedback
group	verdict	score
#1	ACCEPTED	22
#2	WRONG ANSWER	0
#3	WRONG ANSWER	0

Test results
test	verdict	time	group
#1	ACCEPTED	0.02 s	1, 3	details
#2	ACCEPTED	0.03 s	1, 3	details
#3	ACCEPTED	0.03 s	1, 3	details
#4	ACCEPTED	0.01 s	1, 3	details
#5	ACCEPTED	0.03 s	1, 3	details
#6	ACCEPTED	0.01 s	1, 3	details
#7	ACCEPTED	0.02 s	1, 2, 3	details
#8	WRONG ANSWER	0.15 s	2, 3	details
#9	WRONG ANSWER	0.20 s	2, 3	details
#10	WRONG ANSWER	0.21 s	2, 3	details
#11	ACCEPTED	0.14 s	2, 3	details
#12	WRONG ANSWER	0.20 s	2, 3	details
#13	WRONG ANSWER	0.19 s	3	details
#14	WRONG ANSWER	0.18 s	3	details
#15	WRONG ANSWER	0.19 s	3	details
#16	WRONG ANSWER	0.20 s	3	details
#17	WRONG ANSWER	0.19 s	3	details
#18	ACCEPTED	0.17 s	2, 3	details

Code

#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define N (1<<17)
#define f first
#define s second
typedef pair<int,int> P;

int d[N];

int main() {
  ios_base::sync_with_stdio(0);
  int n,m; cin>>n>>m;
  for(int i=1;i<=n;i++) cin>>d[i];
  if(1e4<=n){
  //if(0x1231312){
    vector<pair<int,int>> v(n-1);
    for(int i=1;i<n;i++)
      v[i-1]={max(d[i+1],d[i]),-min(d[i+1],d[i])};
    sort(v.begin(),v.end());
    for(int i=0;i<m;i++){
      int c,a;
      cin>>c>>a;
      
      int k=-1;
      for(int b=n;b;b/=2){
        while(b+k<n-1&&v[b+k].f<a){
          k+=b;
        }
      }
      k++;
      if(k==n-1){cout<<"0\n"; continue;}
      
      int l=k;
      for(int b=n;b;b/=2)
        while(l+b<n-1&&-v[b+l].s<=a) l+=b;
      l++;
      cout<<l-k<<"\n";

    }




























  } else{
  while(m--){
    int c; cin>>c;
    if(c==1){
      int a,b; cin>>a>>b;
      d[a]=b;
    }
    else{
      int a; cin>>a;
      int res=0;
      for(int i=1;i<n;i++)
        if((d[i]<=a&&a<=d[i+1])||
          (a<=d[i]&&d[i+1]<=a)) res++;
      cout<<res<<"\n";
    }
  } }
}

Test details

Test 1

Group: 1, 3

Verdict: ACCEPTED

input
`3 3 1 5 1 2 3 1 1 5 2 3` view save

correct output
`2 1` view save

user output
`2 1` view save

Test 2

Group: 1, 3

Verdict: ACCEPTED

input
`1000 1000 403944 539844 451514 488113 69...` view save

correct output
`444 462 34 516 288 ...` view save

user output
`444 462 34 516 288 ...` Truncated

Test 3

Group: 1, 3

Verdict: ACCEPTED

input
`1000 1000 487368 55984 456259 117591 818...` view save

correct output
`440 400 480 130 38 ...` view save

user output
`440 400 480 130 38 ...` Truncated

Test 4

Group: 1, 3

Verdict: ACCEPTED

input
`1000 1000 570792 604828 236813 971260 13...` view save

correct output
`386 460 50 470 126 ...` view save

user output
`386 460 50 470 126 ...` Truncated

Test 5

Group: 1, 3

Verdict: ACCEPTED

input
`1000 1000 686920 120969 241559 600738 48...` view save

correct output
`330 306 418 290 136 ...` view save

user output
`330 306 418 290 136 ...` Truncated

Test 6

Group: 1, 3

Verdict: ACCEPTED

input
`1000 1000 737640 478325 54816 262919 609...` view save

correct output
`230 418 148 338 4 ...` view save

user output
`230 418 148 338 4 ...` Truncated

Test 7

Group: 1, 2, 3

Verdict: ACCEPTED

input
`1000 1000 1 1000000 1 1000000 1 1000000 ...` view save

correct output
`999 999 999 999 999 ...` view save

user output
`999 999 999 999 999 ...` Truncated

Test 8

Group: 2, 3

Verdict: WRONG ANSWER

input
`100000 100000 18 15 8 5 7 19 19 11 11 8 6 15...` view save

correct output
`0 0 0 0 0 ...` view save

user output
`0 1 1 0 0 ...` Truncated

Test 9

Group: 2, 3

Verdict: WRONG ANSWER

input
`100000 100000 611680 625326 848926 304761 34...` view save

correct output
`30636 30745 50130 4464 9086 ...` view save

user output
`25297 33824 20880 3126 9332 ...` Truncated

Test 10

Group: 2, 3

Verdict: WRONG ANSWER

input
`100000 100000 695104 174171 853672 901534 35...` view save

correct output
`31870 39772 30788 11144 42732 ...` view save

user output
`18946 19898 34439 11484 52064 ...` Truncated

Test 11

Group: 2, 3

Verdict: ACCEPTED

input
`100000 100000 1 1 1 2 1 1 2 1 2 2 1 2 2 1 1 ...` view save

correct output
`0 0 0 0 0 ...` view save

user output
`0 0 0 0 0 ...` Truncated

Test 12

Group: 2, 3

Verdict: WRONG ANSWER

input
`100000 100000 2845 22894 4105 11830 29440 21...` view save

correct output
`45066 50090 24109 27778 294 ...` view save

user output
`36147 73997 4169 28943 294 ...` Truncated

Test 13

Group: 3

Verdict: WRONG ANSWER

input
`100000 100000 123269 247698 241557 639404 38...` view save

correct output
`37412 1520 46224 964 50058 ...` view save

user output
`34317 9376 1 1 3444 ...` Truncated

Test 14

Group: 3

Verdict: WRONG ANSWER

input
`100000 100000 206693 572351 22110 493074 737...` view save

correct output
`33086 49042 43971 17756 41889 ...` view save

user output
`37488 2825 1 1 61242 ...` Truncated

Test 15

Group: 3

Verdict: WRONG ANSWER

input
`100000 100000 322821 121195 59560 155256 829...` view save

correct output
`28252 45031 28212 6208 31642 ...` view save

user output
`30218 12501 1 1 16419 ...` Truncated

Test 16

Group: 3

Verdict: WRONG ANSWER

input
`100000 100000 438949 637336 872818 784733 17...` view save

correct output
`45374 22320 9690 5630 40012 ...` view save

user output
`48623 18751 1 1 70956 ...` Truncated

Test 17

Group: 3

Verdict: WRONG ANSWER

input
`100000 100000 489669 186180 653371 446915 52...` view save

correct output
`43104 43128 41430 35554 996 ...` view save

user output
`48177 28613 1 1 50099 ...` Truncated

Test 18

Group: 2, 3

Verdict: ACCEPTED

input
`100000 100000 1 1000000 1 1000000 1 1000000 ...` view save

correct output
`99999 99999 99999 99999 99999 ...` view save

user output
`99999 99999 99999 99999 99999 ...` Truncated

IZhO 2017, day 2

Simple game

Code

Test details

Test 1

Test 2

Test 3

Test 4

Test 5

Test 6

Test 7

Test 8

Test 9

Test 10

Test 11

Test 12

Test 13

Test 14

Test 15

Test 16

Test 17

Test 18

Tasks

Submissions (henrikaalto)