CSES - Datatähti 2022 loppu - Results
Submission details
Task:Lista
Sender:Mahtimursu
Submission time:2022-01-22 14:27:55 +0200
Language:C++ (C++17)
Status:READY
Result:0
Feedback
groupverdictscore
#10
#20
#30
Test results
testverdicttimegroup
#10.01 s1, 2, 3details
#20.01 s2, 3details
#30.01 s3details
#4ACCEPTED0.01 s1, 2, 3details
#50.01 s1, 2, 3details
#60.01 s1, 2, 3details
#7ACCEPTED0.01 s1, 2, 3details
#8ACCEPTED0.01 s3details
#90.01 s3details
#10ACCEPTED0.01 s3details

Code

#include <bits/stdc++.h>
typedef long long ll;
#define M 1000000007
#define N (1 << 18)
using namespace std;
int main() {
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
int n;
cin >> n;
vector<string> v(n);
for (int i = 0; i < n; ++i) {
cin >> v[i];
}
vector<string> ans;
string cur = v[0];
for (int i = 0; i < (int)cur.size(); ++i) {
if (cur[i] == '?') {
if (i == 0) {
cur[i] = '1';
} else {
cur[i] = '0';
}
}
}
ans.push_back(cur);
for (int i = 1; i < n; ++i) {
if (cur.size() < v[i].size()) {
// Just make low
cur = v[i];
for (int j = 0; j < (int)cur.size(); ++j) {
if (cur[j] == '?') {
if (j == 0) {
cur[j] = '1';
} else {
cur[j] = '0';
}
}
}
ans.push_back(cur);
} else {
// Improve
bool gt = false;
int len = cur.size();
string orig = v[i];
for (int j = 0; j < len; ++j) {
if (v[i][j] != '?') {
if (v[i][j] > cur[j]) gt = 1;
if (v[i][j] < cur[j] && !gt) {
for (int k = j - 1; k >= -1; k--) {
if (k == -1) {
cout << "IMPOSSIBLE\n";
return 0;
}
if (orig[k] == '?') {
if (v[i][k] != '9') {
v[i][k]++;
break;
} else {
v[i][k] = (k == 0) ? '1' : '0';
}
}
}
gt = 1;
}
} else {
if (j != len - 1 || gt) {
if (gt) {
v[i][j] = '0';
} else {
v[i][j] = cur[j];
}
} else {
if (cur[j] != '9') {
v[i][j] = cur[j] + 1;
} else {
v[i][j] = '0';
for (int k = j - 1; k >= -1; k--) {
if (k == -1) {
cout << "IMPOSSIBLE\n";
return 0;
}
if (orig[k] == '?') {
if (v[i][k] != '9') {
v[i][k]++;
break;
} else {
v[i][k] = '0';
}
}
}
}
}
}
}
cur = v[i];
ans.push_back(cur);
}
}
for (auto x : ans) {
cout << x << "\n";
}
return 0;
}

Test details

Test 1

Group: 1, 2, 3

Verdict:

input
100
??
??
??
??
...

correct output
10
11
12
13
20
...

user output
10
11
12
13
20
...
Truncated

Test 2

Group: 2, 3

Verdict:

input
1000
8??
??8?
????
????
...

correct output
800
1080
1081
1082
1083
...

user output
800
1080
1081
1082
1083
...
Truncated

Test 3

Group: 3

Verdict:

input
1000
??????
?????9?
??98???
?????5?
...

correct output
100000
1000090
1098000
1098050
4100001
...

user output
100000
1000090
1098000
1098050
4100001
...
Truncated

Test 4

Group: 1, 2, 3

Verdict: ACCEPTED

input
100
?
?
?
?
...

correct output
1
2
3
4
5
...

user output
1
2
3
4
5
...
Truncated

Test 5

Group: 1, 2, 3

Verdict:

input
2
???
??

correct output
IMPOSSIBLE

user output
100
11

Test 6

Group: 1, 2, 3

Verdict:

input
3
123
???
124

correct output
IMPOSSIBLE

user output
123
124
124

Test 7

Group: 1, 2, 3

Verdict: ACCEPTED

input
5
1??
???
2??
???
...

correct output
IMPOSSIBLE

user output
IMPOSSIBLE

Test 8

Group: 3

Verdict: ACCEPTED

input
1000
?????????
?????????
?????????
?????????
...

correct output
100000000
100000001
100000002
100000003
100000004
...

user output
100000000
100000001
100000002
100000003
100000004
...
Truncated

Test 9

Group: 3

Verdict:

input
900
???000000
???000000
???000000
???000000
...

correct output
100000000
101000000
102000000
103000000
104000000
...

user output
100000000
100000000
100000000
100000000
100000000
...
Truncated

Test 10

Group: 3

Verdict: ACCEPTED

input
1000
???1?????
???0?????
???1?????
???0?????
...

correct output
100100000
101000000
101100000
102000000
102100000
...

user output
100100000
101000000
101100000
102000000
102100000
...
Truncated