CSES - Datatähti 2021 alku - Results
Submission details
Task:Alitaulukot
Sender:jmarttinen
Submission time:2020-09-30 22:17:19 +0300
Language:C++ (C++11)
Status:READY
Result:37
Feedback
groupverdictscore
#1ACCEPTED11
#2ACCEPTED26
#30
Test results
testverdicttimegroup
#1ACCEPTED0.01 s1, 2, 3details
#2ACCEPTED0.01 s1, 2, 3details
#3ACCEPTED0.01 s1, 2, 3details
#4ACCEPTED0.01 s1, 2, 3details
#5ACCEPTED0.01 s1, 2, 3details
#6ACCEPTED0.01 s2, 3details
#7ACCEPTED0.01 s2, 3details
#8ACCEPTED0.01 s2, 3details
#9ACCEPTED0.01 s2, 3details
#10ACCEPTED0.01 s2, 3details
#11--3details
#12ACCEPTED0.33 s3details
#13ACCEPTED0.47 s3details
#14--3details
#15--3details
#16--3details
#17--3details

Compiler report

input/code.cpp: In function 'int main()':
input/code.cpp:44:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i=0; i<xs.size(); i++)
                   ~^~~~~~~~~~
input/code.cpp:60:35: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for (int j = i + 1; j < xs.size(); j++)
                                 ~~^~~~~~~~~~~

Code

// alijoukot.cpp : This file contains the 'main' function. Program execution begins and ends there.
//
#include <iostream>
#include <string>
#include <vector>
#include <map>
#include <tuple>
using namespace std;
int main()
{
string input1;
string input2;
getline(cin, input1);
getline(cin, input2);
int n = stoi(input1.substr(0, input1.find(" ")));
input1.erase(0, input1.find(" ") + 1);
int k = stoi(input1.substr(0, input1.find(" ")));
vector<int> xs = vector<int>(n, 0);
// from https://stackoverflow.com/questions/14265581/parse-split-a-string-in-c-using-string-delimiter-standard-c
// converts the input string to integer vector
size_t pos = 0;
int i = 0;
while ((pos = input2.find(" ")) != string::npos)
{
//xs.push_back(stoi(input2.substr(0, pos)));
xs[i] = stoi(input2.substr(0, pos));
// length of " " is 1
input2.erase(0, pos + 1);
i++;
}
xs[n - 1] = stoi(input2);
map<int, tuple<int,int,int>> cache;
int result = 0;
for (int i=0; i<xs.size(); i++)
{
int s;
auto cached = cache.find(i - 1);
int m, M;
if (cached != cache.end())
{
int v;
tie(v, M, m) = cache[i - 1];
s = v - 1;
}
else
{
m = xs[i];
M = xs[i];
s = 1;
for (int j = i + 1; j < xs.size(); j++)
{
m = min(m, xs[j]);
M = max(M, xs[j]);
if ((M - m) > k) {
break;
}
else
{
s++;
}
}
}
if ((xs[i] != m) & (xs[i] != M))
{
tuple<int, int, int> vals = {s,M,m};
cache[i] = vals;
}
result += s;
}
std::cout << result << endl;
}

Test details

Test 1

Group: 1, 2, 3

Verdict: ACCEPTED

input
100 0
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

correct output
5050

user output
5050

Test 2

Group: 1, 2, 3

Verdict: ACCEPTED

input
100 2
5 5 2 4 3 5 3 4 3 2 3 4 5 4 4 ...

correct output
317

user output
317

Test 3

Group: 1, 2, 3

Verdict: ACCEPTED

input
100 10
71 60 61 96 25 10 10 9 84 85 1...

correct output
119

user output
119

Test 4

Group: 1, 2, 3

Verdict: ACCEPTED

input
100 990000000
111122929 961821360 578238211 ...

correct output
4006

user output
4006

Test 5

Group: 1, 2, 3

Verdict: ACCEPTED

input
100 1000000000
553190572 453407680 667300705 ...

correct output
5050

user output
5050

Test 6

Group: 2, 3

Verdict: ACCEPTED

input
2000 0
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

correct output
2001000

user output
2001000

Test 7

Group: 2, 3

Verdict: ACCEPTED

input
2000 2
4 4 1 4 2 3 1 2 1 3 5 2 2 4 4 ...

correct output
6340

user output
6340

Test 8

Group: 2, 3

Verdict: ACCEPTED

input
2000 10
65 88 33 88 41 10 17 38 22 3 8...

correct output
2413

user output
2413

Test 9

Group: 2, 3

Verdict: ACCEPTED

input
2000 999000000
746120950 772769620 721488968 ...

correct output
1287776

user output
1287776

Test 10

Group: 2, 3

Verdict: ACCEPTED

input
2000 1000000000
621947980 510355354 756705418 ...

correct output
2001000

user output
2001000

Test 11

Group: 3

Verdict:

input
100000 0
1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 ...

correct output
5000050000

user output
(empty)

Test 12

Group: 3

Verdict: ACCEPTED

input
100000 2
3 3 1 3 3 1 1 5 1 2 5 4 1 3 1 ...

correct output
317066

user output
317066

Test 13

Group: 3

Verdict: ACCEPTED

input
100000 10
10 3 6 3 43 60 5 48 15 27 86 4...

correct output
123292

user output
123292

Test 14

Group: 3

Verdict:

input
100000 999990000
460235639 963048588 47270983 3...

correct output
4946886742

user output
(empty)

Test 15

Group: 3

Verdict:

input
100000 1000000000
885457070 18257718 927615960 3...

correct output
5000050000

user output
(empty)

Test 16

Group: 3

Verdict:

input
100000 50000
1 2 3 4 5 6 7 8 9 10 11 12 13 ...

correct output
3750075000

user output
(empty)

Test 17

Group: 3

Verdict:

input
100000 50000
100000 99999 99998 99997 99996...

correct output
3750075000

user output
(empty)