CSES - IZhO 2017, day 2

CSES - IZhO 2017, day 2 - Results

Submission details
Task:	Simple game
Sender:	Lieska
Submission time:	2019-02-09 12:48:37 +0200
Language:	C++
Status:	READY
Result:	100

Feedback
group	verdict	score
#1	ACCEPTED	22
#2	ACCEPTED	27
#3	ACCEPTED	51

Test results
test	verdict	time	group
#1	ACCEPTED	0.02 s	1, 3	details
#2	ACCEPTED	0.02 s	1, 3	details
#3	ACCEPTED	0.03 s	1, 3	details
#4	ACCEPTED	0.04 s	1, 3	details
#5	ACCEPTED	0.04 s	1, 3	details
#6	ACCEPTED	0.03 s	1, 3	details
#7	ACCEPTED	0.03 s	1, 2, 3	details
#8	ACCEPTED	0.18 s	2, 3	details
#9	ACCEPTED	0.23 s	2, 3	details
#10	ACCEPTED	0.24 s	2, 3	details
#11	ACCEPTED	0.17 s	2, 3	details
#12	ACCEPTED	0.22 s	2, 3	details
#13	ACCEPTED	0.26 s	3	details
#14	ACCEPTED	0.24 s	3	details
#15	ACCEPTED	0.24 s	3	details
#16	ACCEPTED	0.24 s	3	details
#17	ACCEPTED	0.23 s	3	details
#18	ACCEPTED	0.23 s	2, 3	details

Code

#include <bits/stdc++.h>
using namespace std;
int c, d, e, n, m, k=1024*1024;
int t[1024*2049]={}, r[100001]={};
void muutos2(int f){
    f+=k;
    while (f>0){
        f/=2;
        t[f]=t[2*f]+t[2*f+1];
    }
}
void muutos(int a, int b){
    if (a>1 && abs(r[a]-r[a-1])>1){
        if (r[a]>r[a-1]){
            t[r[a-1]+1+k]--;
            t[r[a]+k]++;
            muutos2(r[a-1]+1);
            muutos2(r[a]);
        }
        else {
            t[r[a]+k+1]--;
            t[r[a-1]+k]++;
            muutos2(r[a]+1);
            muutos2(r[a-1]);
        }
    }
    if (a<n && abs(r[a+1]-r[a])>1){
        if (r[a+1]>r[a]){
            t[r[a]+k+1]--;
            t[r[a+1]+k]++;
            muutos2(r[a]+1);
            muutos2(r[a+1]);
        }
        else {
            t[r[a+1]+k+1]--;
            t[r[a]+k]++;
            muutos2(r[a+1]+1);
            muutos2(r[a]);
        }
    }
    r[a]=b;
    if (a>1 && abs(r[a]-r[a-1])>1){
        if (r[a]>r[a-1]){
            t[r[a-1]+k+1]++;
            t[r[a]+k]--;
            muutos2(r[a-1]+1);
            muutos2(r[a]);
        }
        else {
            t[r[a]+k+1]++;
            t[r[a-1]+k]--;
            muutos2(r[a]+1);
            muutos2(r[a-1]);
        }
    }
    if (a<n && abs(r[a+1]-r[a])>1){
        if (r[a+1]>r[a]){
            t[r[a]+k+1]++;
            t[r[a+1]+k]--;
            muutos2(r[a]+1);
            muutos2(r[a+1]);
        }
        else {
            t[r[a+1]+k+1]++;
            t[r[a]+k]--;
            muutos2(r[a+1]+1);
            muutos2(r[a]);
        }
    }
}
int summa(int g){
    int s=0;
    while (g>0){
        if (g%2==0){
            s+=t[g];
            g--;
        }
        g/=2;
    }
    return s;
}
int main(){
    cin >> n >> m;
    for (int i=1; i<=n; ++i) cin >> r[i];
    for (int i=2; i<=n; ++i){
        if (abs(r[i]-r[i-1])>1){
            if (r[i]>r[i-1]){
                t[r[i-1]+1+k]++;
                t[r[i]+k]--;
            }
            else {
                t[r[i]+1+k]++;
                t[r[i-1]+k]--;
            }
        }
    }
    for (int i=k-1; i>0; --i) {
        t[i]=t[2*i]+t[2*i+1];
    }
    for (int i=0; i<m; ++i){
        cin >> c;
        if (c==1) {
            cin >> d >> e;
            muutos(d, e);
        }
        else {
            cin >> d;
            cout << summa(d+k) << "\n";
        }
    }
    return 0;
}

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 ...` view save

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 ...` view save

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 ...` view save

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 ...` view save

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 ...` view save

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 ...` view save

Test 8

Group: 2, 3

Verdict: ACCEPTED

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 0 0 0 0 ...` view save

Test 9

Group: 2, 3

Verdict: ACCEPTED

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

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

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

Test 10

Group: 2, 3

Verdict: ACCEPTED

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

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

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

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 ...` view save

Test 12

Group: 2, 3

Verdict: ACCEPTED

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

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

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

Test 13

Group: 3

Verdict: ACCEPTED

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

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

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

Test 14

Group: 3

Verdict: ACCEPTED

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

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

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

Test 15

Group: 3

Verdict: ACCEPTED

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

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

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

Test 16

Group: 3

Verdict: ACCEPTED

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

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

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

Test 17

Group: 3

Verdict: ACCEPTED

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

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

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

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 ...` view save

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 (Lieska)