CSES - Aalto Competitive Programming 2024 - wk9 - Wed - Results
Submission details
Task:Broken backspace
Sender:aalto2024j_003
Submission time:2024-11-06 16:23:36 +0200
Language:C++ (C++17)
Status:READY
Result:ACCEPTED
Test results
testverdicttime
#1ACCEPTED0.00 sdetails
#2ACCEPTED0.00 sdetails
#3ACCEPTED0.00 sdetails
#4ACCEPTED0.00 sdetails
#5ACCEPTED0.00 sdetails
#6ACCEPTED0.00 sdetails
#7ACCEPTED0.00 sdetails
#8ACCEPTED0.00 sdetails
#9ACCEPTED0.00 sdetails
#10ACCEPTED0.00 sdetails
#11ACCEPTED0.00 sdetails
#12ACCEPTED0.00 sdetails
#13ACCEPTED0.00 sdetails
#14ACCEPTED0.00 sdetails
#15ACCEPTED0.00 sdetails
#16ACCEPTED0.00 sdetails
#17ACCEPTED0.00 sdetails
#18ACCEPTED0.00 sdetails
#19ACCEPTED0.00 sdetails
#20ACCEPTED0.00 sdetails
#21ACCEPTED0.00 sdetails
#22ACCEPTED0.00 sdetails
#23ACCEPTED0.00 sdetails
#24ACCEPTED0.00 sdetails
#25ACCEPTED0.00 sdetails
#26ACCEPTED0.00 sdetails
#27ACCEPTED0.00 sdetails
#28ACCEPTED0.00 sdetails
#29ACCEPTED0.00 sdetails
#30ACCEPTED0.00 sdetails
#31ACCEPTED0.00 sdetails
#32ACCEPTED0.00 sdetails
#33ACCEPTED0.00 sdetails
#34ACCEPTED0.00 sdetails
#35ACCEPTED0.00 sdetails
#36ACCEPTED0.00 sdetails
#37ACCEPTED0.00 sdetails
#38ACCEPTED0.00 sdetails
#39ACCEPTED0.00 sdetails
#40ACCEPTED0.00 sdetails
#41ACCEPTED0.00 sdetails
#42ACCEPTED0.00 sdetails
#43ACCEPTED0.00 sdetails
#44ACCEPTED0.00 sdetails
#45ACCEPTED0.00 sdetails
#46ACCEPTED0.00 sdetails
#47ACCEPTED0.00 sdetails
#48ACCEPTED0.00 sdetails
#49ACCEPTED0.00 sdetails
#50ACCEPTED0.01 sdetails
#51ACCEPTED0.00 sdetails
#52ACCEPTED0.01 sdetails
#53ACCEPTED0.01 sdetails
#54ACCEPTED0.00 sdetails
#55ACCEPTED0.00 sdetails
#56ACCEPTED0.01 sdetails
#57ACCEPTED0.01 sdetails
#58ACCEPTED0.01 sdetails

Code

#pragma GCC optimize("O3","unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,popcnt,lzcnt")

#include <bits/stdc++.h>
using namespace std;

#define int long long
#define rep(i, a, b) for(int i = a; i < (b); ++i)
#define all(x) begin(x), end(x)
#define sz(x) (int)(x).size()
typedef long long ll;
typedef pair<int, int> pii;
typedef vector<int> vi;

string to_string(string s) {
    return '"' + s + '"';
}
 
string to_string(const char* s) {
    return to_string((string) s);
}
 
string to_string(bool b) {
    return (b ? "true" : "false");
}
 
template <typename A, typename B>
string to_string(pair<A, B> p) {
    return "(" + to_string(p.first) + ", " + to_string(p.second) + ")";
}
 
template <typename A>
string to_string(A v) {
    bool first = true;
    string res = "{";
    for (const auto &x : v) {
        if (!first) {
            res += ", ";
        }
        first = false;
        res += to_string(x);
    }
    res += "}";
    return res;
}
 
void debug_out() {
    cerr << endl;
}
 
template <typename Head, typename... Tail>
void debug_out(Head H, Tail... T) {
    cerr << " " << to_string(H);
    debug_out(T...);
}
 
#ifdef LOCAL
#define debug(...) cerr << "[" << #__VA_ARGS__ << "]:", debug_out(__VA_ARGS__)
#else
#define debug(...) 42
#endif

void solve() {
    string s, t;
    cin >> s >> t;

    if (sz(t) > sz(s)) {
        cout << "No\n";
    } else {
        int j = 0;
        for (int i = 0; i < sz(t); ) {
            if (j == sz(s)) {
                cout << "No\n";
                return;
            }
            if (t[i] == s[j]) {
                i++;
                j++;
            } else {
                j++;
            }
        }
        cout << "Yes\n";
    }
}

signed main() {
    cin.tie(0)->sync_with_stdio(0);
    cin.exceptions(cin.failbit); // RTE if input wrong datatype

    solve();
}

Test details

Test 1

Verdict: ACCEPTED

input
y
a

correct output
No

user output
No

Test 2

Verdict: ACCEPTED

input
y
o

correct output
No

user output
No

Test 3

Verdict: ACCEPTED

input
bs
bs

correct output
Yes

user output
Yes

Test 4

Verdict: ACCEPTED

input
vfj
xz

correct output
No

user output
No

Test 5

Verdict: ACCEPTED

input
yif
yi

correct output
Yes

user output
Yes

Test 6

Verdict: ACCEPTED

input
ilzsl
zio

correct output
No

user output
No

Test 7

Verdict: ACCEPTED

input
azg
a

correct output
Yes

user output
Yes

Test 8

Verdict: ACCEPTED

input
mmad
ida

correct output
No

user output
No

Test 9

Verdict: ACCEPTED

input
rmfs
ykcm

correct output
No

user output
No

Test 10

Verdict: ACCEPTED

input
skqwu
ewix

correct output
No

user output
No

Test 11

Verdict: ACCEPTED

input
rkxgc
wtep

correct output
No

user output
No

Test 12

Verdict: ACCEPTED

input
lcat
lce

correct output
No

user output
No

Test 13

Verdict: ACCEPTED

input
zmggznshn
wibfc

correct output
No

user output
No

Test 14

Verdict: ACCEPTED

input
hjgri
fxgxt

correct output
No

user output
No

Test 15

Verdict: ACCEPTED

input
aqjtb
ci

correct output
No

user output
No

Test 16

Verdict: ACCEPTED

input
pnxnq
pnxnq

correct output
Yes

user output
Yes

Test 17

Verdict: ACCEPTED

input
smvvt
s

correct output
Yes

user output
Yes

Test 18

Verdict: ACCEPTED

input
dehlwu
de

correct output
Yes

user output
Yes

Test 19

Verdict: ACCEPTED

input
frovxqt
f

correct output
Yes

user output
Yes

Test 20

Verdict: ACCEPTED

input
isnaiipj
isnai

correct output
Yes

user output
Yes

Test 21

Verdict: ACCEPTED

input
tvfqorxbf
hsiaf

correct output
No

user output
No

Test 22

Verdict: ACCEPTED

input
hbeyzrmpxd
hbeyzrm

correct output
Yes

user output
Yes

Test 23

Verdict: ACCEPTED

input
cvfrdstyia
cvf

correct output
Yes

user output
Yes

Test 24

Verdict: ACCEPTED

input
fbqlgvoypsttw
gkqjckcnpk

correct output
No

user output
No

Test 25

Verdict: ACCEPTED

input
qetmuxclwb
grkdwns

correct output
No

user output
No

Test 26

Verdict: ACCEPTED

input
dnzdfqccei
toeqt

correct output
No

user output
No

Test 27

Verdict: ACCEPTED

input
gigitadgqgktnmlucdrpjmfgzlugaj...

correct output
No

user output
No

Test 28

Verdict: ACCEPTED

input
xhhwpsrfrqywdwqzzgdamkmrgutkys...

correct output
No

user output
No

Test 29

Verdict: ACCEPTED

input
kczmpmbrcgapydtsdjmnhgdqjlmfiw...

correct output
Yes

user output
Yes

Test 30

Verdict: ACCEPTED

input
kdolwqxnrxoguefenlghfehedsiypn...

correct output
No

user output
No

Test 31

Verdict: ACCEPTED

input
eonoxjbddvetnyzwrscrakqugzyzut...

correct output
No

user output
No

Test 32

Verdict: ACCEPTED

input
noytqcblxxegczpwfbcfazouiidlvi...

correct output
Yes

user output
Yes

Test 33

Verdict: ACCEPTED

input
fsnlwzwzhhnnxopbmalxpghzqqhdsg...

correct output
No

user output
No

Test 34

Verdict: ACCEPTED

input
vsylfagbpuzphnpddomopbxpjvhzyc...

correct output
No

user output
No

Test 35

Verdict: ACCEPTED

input
uftadotelejkwprmhqvxquphskiibj...

correct output
No

user output
No

Test 36

Verdict: ACCEPTED

input
wmykhkomvlbaxmocfcdvkcnaqsuyeu...

correct output
No

user output
No

Test 37

Verdict: ACCEPTED

input
bfvdgidzpdbtkomnsdssudrgesexai...

correct output
No

user output
No

Test 38

Verdict: ACCEPTED

input
epehugfuqusovmdehqiyoefztwalqj...

correct output
Yes

user output
Yes

Test 39

Verdict: ACCEPTED

input
xtsdkcvujwifgijwhrxjyiepwhbmpd...

correct output
Yes

user output
Yes

Test 40

Verdict: ACCEPTED

input
suawolvogvzwqdpxqxjttthrtbhnqg...

correct output
No

user output
No

Test 41

Verdict: ACCEPTED

input
vupolhhxbovznwfxdpftypuarxylzk...

correct output
No

user output
No

Test 42

Verdict: ACCEPTED

input
pnrxvijvmrczriritjrreqdtlmvtsj...

correct output
No

user output
No

Test 43

Verdict: ACCEPTED

input
nquhecwwloskilrbxfiqlzxyhggmim...

correct output
Yes

user output
Yes

Test 44

Verdict: ACCEPTED

input
yvzchujqnoihsrlbogoecilotaepru...

correct output
No

user output
No

Test 45

Verdict: ACCEPTED

input
bkbntccvyxeaqspsxlnqgybjhvkyno...

correct output
Yes

user output
Yes

Test 46

Verdict: ACCEPTED

input
pycbqedrafcfqifliujkykggxrusll...

correct output
Yes

user output
Yes

Test 47

Verdict: ACCEPTED

input
ntuyzptgfhnqgsicdshcwhcravwemj...

correct output
Yes

user output
Yes

Test 48

Verdict: ACCEPTED

input
mwdrtpocarqfmmrhlnrmaqlqkmwcwb...

correct output
No

user output
No

Test 49

Verdict: ACCEPTED

input
ylqvocuyflcqydkppyrmygbopzaciy...

correct output
No

user output
No

Test 50

Verdict: ACCEPTED

input
bcfrdxcxwypdknwsnsheysairkjruu...

correct output
No

user output
No

Test 51

Verdict: ACCEPTED

input
luqybuerbcnshnudgittqrpncjmhjk...

correct output
Yes

user output
Yes

Test 52

Verdict: ACCEPTED

input
izamctfueldbjhauzhxhdvbaiedkxc...

correct output
No

user output
No

Test 53

Verdict: ACCEPTED

input
xxuxrrtdpvefxgxikyxvzvjjlnrnzv...

correct output
No

user output
No

Test 54

Verdict: ACCEPTED

input
vzckilqzoxmcrupzvrkqtjjokjcyeo...

correct output
No

user output
No

Test 55

Verdict: ACCEPTED

input
elesagcjlrhfflaqxsmukgbjiiyyyd...

correct output
Yes

user output
Yes

Test 56

Verdict: ACCEPTED

input
ydbfkccnflhkevsfnhrsgfisocskfs...

correct output
Yes

user output
Yes

Test 57

Verdict: ACCEPTED

input
implxialwixramglvesaxoulttxcij...

correct output
No

user output
No

Test 58

Verdict: ACCEPTED

input
uarjxljelkshogcskndxmcouwesvrt...

correct output
No

user output
No