CSES - IZhO 2017, day 2

CSES - IZhO 2017, day 2 - Results

Submission details
Task:	Simple game
Sender:	ArktinenKarpalo
Submission time:	2019-02-10 16:24:30 +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	0.01 s	1, 3	details
#2	ACCEPTED	0.03 s	1, 3	details
#3	ACCEPTED	0.02 s	1, 3	details
#4	ACCEPTED	0.03 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	0.06 s	2, 3	details
#9	ACCEPTED	0.10 s	2, 3	details
#10	ACCEPTED	0.09 s	2, 3	details
#11	ACCEPTED	0.06 s	2, 3	details
#12	ACCEPTED	0.07 s	2, 3	details
#13	ACCEPTED	0.11 s	3	details
#14	ACCEPTED	0.12 s	3	details
#15	ACCEPTED	0.11 s	3	details
#16	ACCEPTED	0.11 s	3	details
#17	ACCEPTED	0.11 s	3	details
#18	ACCEPTED	0.08 s	2, 3	details

Code

#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define ull unsigned long long
#define N (1<<18)
#define M 1000000007
#define P complex<long long>
#define X real()
#define Y imag()

using namespace std;

int n, m, h[101010], f, val, pos, kork, sp[1010101*2];

int sum(int a, int b) {
	a += 1010101;
	b += 1010101;
	int ret = 0;
	while(a<=b) {
		if(a%2==1)
			ret += sp[a++];
		if(b%2==0)
			ret += sp[b--];
		a /= 2;
		b /= 2;
	}
	return ret;
}

void add(int k, int x) {
	k += 1010101;
	sp[k] += x;
	while(k>=1) {
		sp[k] += x;
		k /= 2;
	}
}

int main() {
	cin.tie(0);
	cout.tie(0);
	ios_base::sync_with_stdio(0);
	cin >> n >> m;
	for(int i=1; i<=n; i++) {
		cin >> h[i];
		if(i > 1) {
			if(h[i-1] < h[i]) {
				add(h[i-1], 1);
				add(h[i], -1);
			} else {
				add(h[i], 1);
				add(h[i-1], -1);
			}
		}
	}
	for(int g=0; g<m; g++) {
		cin >> f;
		if(f == 1) { // Muuta
			cin >> pos >> val;
			int i = pos;
			if(pos != 1) {
				if(h[i-1] < h[i]) {
					add(h[i-1], -1);
					add(h[i], 1);
				} else {
					add(h[i], -1);
					add(h[i-1], 1);
				}
			}

			if(pos != n) {
				i++;
				if(h[i-1] < h[i]) {
					add(h[i-1], -1);
					add(h[i], 1);
				} else {
					add(h[i], -1);
					add(h[i-1], 1);
				}
				i--;
			}
			h[pos] = val;
			if(pos != 1) {
				if(h[i-1] < h[i]) {
					add(h[i-1], 1);
					add(h[i], -1);
				} else {
					add(h[i], 1);
					add(h[i-1], -1);
				}
			}

			if(pos != n) {
				i++;
				if(h[i-1] < h[i]) {
					add(h[i-1], 1);
					add(h[i], -1);
				} else {
					add(h[i], 1);
					add(h[i-1], -1);
				}
				i--;
			}
		} else { // Query
			cin >> kork;
			cout << sum(0, kork) << "\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: 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 ...` Truncated

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 ...` Truncated

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 ...` 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: 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 ...` Truncated

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 ...` Truncated

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 ...` Truncated

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 ...` Truncated

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 ...` Truncated

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 ...` 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 (ArktinenKarpalo)