CSES - Datatähti 2022 alku - Results
Submission details
Task:Merkkijono (String)
Sender:jusola
Submission time:2021-10-04 11:03:05
Language:C++11
Status:READY
Result:100
Feedback
groupverdictscore
#1ACCEPTED100
Test results
testverdicttime
#1ACCEPTED0.01 sdetails
#2ACCEPTED0.01 sdetails
#3ACCEPTED0.01 sdetails
#4ACCEPTED0.01 sdetails
#5ACCEPTED0.01 sdetails
#6ACCEPTED0.01 sdetails
#7ACCEPTED0.01 sdetails
#8ACCEPTED0.01 sdetails
#9ACCEPTED0.01 sdetails
#10ACCEPTED0.01 sdetails
#11ACCEPTED0.01 sdetails
#12ACCEPTED0.01 sdetails
#13ACCEPTED0.01 sdetails
#14ACCEPTED0.01 sdetails
#15ACCEPTED0.01 sdetails
#16ACCEPTED0.01 sdetails

Compiler report

input/code.cpp: In function 'std::__cxx11::string operate(std::__cxx11::string, int)':
input/code.cpp:18:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i = 0; i < in.length(); i++){
                    ~~^~~~~~~~~~~~~

Code

#include <iostream>
#include <string>

using namespace std;

int pow(int b, int e) {
    int r = 1;
    for (int i = 0; i < e; i++){
        r = r * b;
    }
    return r;
}

string operate(string in, int rn){
    //cout << "round number " << rn << "\n";
    string ne (pow(2,rn)-1, 'a'+rn-1);
    //cout << "base string: " << ne << "\n";
    for(int i = 0; i < in.length(); i++){
        //cout << "moving " << i << ": " << in[i] << " to " << 2*i+1 << "\n";
        ne[2*i+1] = in[i];
    }

    return ne;
}

int main() {
    int n;
    cin >> n;

    string str = "a";

    for (int i = 0; i < n; i++) {
        str = operate(str, i+1);
        //cout << str << "\n";
    }

    cout << str;

    return 0;

}

Test details

Test 1

Verdict: ACCEPTED

input
1

correct output
a

user output
a

Test 2

Verdict: ACCEPTED

input
2

correct output
bab

user output
bab

Test 3

Verdict: ACCEPTED

input
3

correct output
cbcacbc

user output
cbcacbc

Test 4

Verdict: ACCEPTED

input
4

correct output
dcdbdcdadcdbdcd

user output
dcdbdcdadcdbdcd

Test 5

Verdict: ACCEPTED

input
5

correct output
edecedebedecedeaedecedebedeced...

user output
edecedebedecedeaedecedebedeced...

Test 6

Verdict: ACCEPTED

input
6

correct output
fefdfefcfefdfefbfefdfefcfefdfe...

user output
fefdfefcfefdfefbfefdfefcfefdfe...

Test 7

Verdict: ACCEPTED

input
7

correct output
gfgegfgdgfgegfgcgfgegfgdgfgegf...

user output
gfgegfgdgfgegfgcgfgegfgdgfgegf...

Test 8

Verdict: ACCEPTED

input
8

correct output
hghfhghehghfhghdhghfhghehghfhg...

user output
hghfhghehghfhghdhghfhghehghfhg...

Test 9

Verdict: ACCEPTED

input
9

correct output
ihigihifihigihieihigihifihigih...

user output
ihigihifihigihieihigihifihigih...

Test 10

Verdict: ACCEPTED

input
10

correct output
jijhjijgjijhjijfjijhjijgjijhji...

user output
jijhjijgjijhjijfjijhjijgjijhji...

Test 11

Verdict: ACCEPTED

input
11

correct output
kjkikjkhkjkikjkgkjkikjkhkjkikj...

user output
kjkikjkhkjkikjkgkjkikjkhkjkikj...

Test 12

Verdict: ACCEPTED

input
12

correct output
lkljlklilkljlklhlkljlklilkljlk...

user output
lkljlklilkljlklhlkljlklilkljlk...

Test 13

Verdict: ACCEPTED

input
13

correct output
mlmkmlmjmlmkmlmimlmkmlmjmlmkml...

user output
mlmkmlmjmlmkmlmimlmkmlmjmlmkml...

Test 14

Verdict: ACCEPTED

input
14

correct output
nmnlnmnknmnlnmnjnmnlnmnknmnlnm...

user output
nmnlnmnknmnlnmnjnmnlnmnknmnlnm...

Test 15

Verdict: ACCEPTED

input
15

correct output
onomonolonomonokonomonolonomon...

user output
onomonolonomonokonomonolonomon...

Test 16

Verdict: ACCEPTED

input
16

correct output
popnpopmpopnpoplpopnpopmpopnpo...

user output
popnpopmpopnpoplpopnpopmpopnpo...