CSES - Datatähti 2022 alku - Results
Submission details
Task:Merkkijono (String)
Sender:xenial
Submission time:2021-10-04 11:14:13
Language:C++17
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
#16ACCEPTED0.02 sdetails

Compiler report

input/code.cpp: In function 'void set_io(std::__cxx11::string)':
input/code.cpp:16:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
         freopen((filename + ".in").c_str(), "r", stdin);
         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
input/code.cpp:17:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
         freopen((filename + ".out").c_str(), "w", stdout);
         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Code

#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define all(x) (x).begin(), (x).end()
#define pb push_back
#define fi first
#define se second
#define sz size
#define rsz resize

void set_io(string filename = "") {
    ios::sync_with_stdio(0);
	cin.tie(0);

    if (filename != "") {
        freopen((filename + ".in").c_str(), "r", stdin);
        freopen((filename + ".out").c_str(), "w", stdout);
    }
}

int main() {
    set_io("");

    int n; cin >> n;
    string ans = "a";

    for (int i = 1; i < n; i++) {
        int temp = ans.sz() * 2;
        for (int j = 0; j <= temp; j += 2) {
            ans.insert(ans.begin() + j, 'a' + i);
        }
    }

    cout << ans;
}

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...