CSES - Datatähti 2022 loppu

Submission details
Task:	Lista
Sender:	motsgar
Submission time:	2022-01-22 16:32:29 +0200
Language:	C++ (C++17)
Status:	READY
Result:	0

Feedback
group	verdict	score
#1	WRONG ANSWER	0
#2	WRONG ANSWER	0
#3	WRONG ANSWER	0

Test results
test	verdict	time	group
#1	WRONG ANSWER	0.01 s	1, 2, 3	details
#2	WRONG ANSWER	0.01 s	2, 3	details
#3	WRONG ANSWER	0.01 s	3	details
#4	WRONG ANSWER	0.01 s	1, 2, 3	details
#5	RUNTIME ERROR	0.01 s	1, 2, 3	details
#6	ACCEPTED	0.01 s	1, 2, 3	details
#7	ACCEPTED	0.01 s	1, 2, 3	details
#8	WRONG ANSWER	0.01 s	3	details
#9	WRONG ANSWER	0.01 s	3	details
#10	WRONG ANSWER	0.01 s	3	details

Compiler report

input/code.cpp: In function 'int rec(int, int)':
input/code.cpp:11:9: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     if(a==s[i].size())return -1;
        ~^~~~~~~~~~~~~
input/code.cpp:45:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for(;a<s[0].size();a++){
                  ~^~~~~~~~~~~~
input/code.cpp:64:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
                 for(;a<s[0].size();a++){
                      ~^~~~~~~~~~~~
input/code.cpp:81:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
                 for(;a<s[0].size();a++){
                      ~^~~~~~~~~~~~
input/code.cpp:94:19: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             for(;a<s[0].size();a++){
                  ~^~~~~~~~~~~~
input/code.cpp:102:23: warning: comparison between signed and un...

Code

#include <bits/stdc++.h>

using namespace std;
typedef long long ll;

int n;
string s[1000];
string e[1000];

int rec(int i,int a){
    if(a==s[i].size())return -1;
    if(e[i][a]=='.'){
        return rec(i,a+1);
    }
    if(a==0||e[i][a-1]=='.'){
        if(i==0){
            if(s[i][a]=='?'){
                s[i][a]='1';
                rec(i,a+1);
                return 0;
            } else {
                rec(i,a+1);
                return 0;
            }
        }
        if(s[i][a]=='?'){
            s[i][a]=s[i-1][a];
            if(s[i][a]=='0')s[i][a]='1';
            int r=rec(i,a+1);
            if(r==-1){
                if(s[i][a]=='9')return -1;
                s[i][a]++;
                return 0;
            }
            return 0;
        } else if(s[i][a]==s[i-1][a]){
            if(s[i][a]=='0')return -1;
            int r=rec(i,a+1);
            if(r==-1){
                return -1;
            }
            return 0;
        } else if(s[i][a]>s[i-1][a]){
            a++;
            for(;a<s[0].size();a++){
                s[i][a]='0';
            }
            return 0;
        } else return -1;
    } else {
        if(i==0){
            if(s[i][a]=='?'){
                s[i][a]='0';
                rec(i,a+1);
                return 0;
            } else {
                rec(i,a+1);
                return 0;
            }
        }
        if(s[i][a]=='?'){
            if(e[i-1][a-1]=='.'){
                a++;
                for(;a<s[0].size();a++){
                    if(s[i][a]=='?')
                    s[i][a]='0';
                }
                return 0;
            }
            s[i][a]=s[i-1][a];
            int r=rec(i,a+1);
            if(r==-1){
                if(s[i][a]=='9')return -1;
                s[i][a]++;
                return 0;
            }
            return 0;
        } else if(s[i][a]==s[i-1][a]){
            if(e[i-1][a-1]=='.'){
                a++;
                for(;a<s[0].size();a++){
                    if(s[i][a]=='?')
                    s[i][a]='0';
                }
                return 0;
            }
            int r=rec(i,a+1);
            if(r==-1){
                return -1;
            }
            return 0;
        } else if(s[i][a]>s[i-1][a]){
            a++;
            for(;a<s[0].size();a++){
                if(s[i][a]=='?')
                s[i][a]='0';
            }
            return 0;
        } else {
            if(e[i-1][a-1]=='.'){
                a++;
                for(;a<s[0].size();a++){
                    if(s[i][a]=='?')
                    s[i][a]='0';
                }
                return 0;
            }
            return -1;
        }
    }
}

int main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    cin>>n;
    for(int i=0;i<n;i++)cin>>s[i];
    for(int i=0;i<n;i++){
        e[i]=string(s[n-1].size()-s[i].size(),'.')+s[i];
        s[i]=string(s[n-1].size()-s[i].size(),'0')+s[i];
        if(rec(i,0)==-1){
            cout<<"IMPOSSIBLE\n";
            return 0;
        }
    }
    for(int i=0;i<n;i++){
        s[i].erase(0, e[i].find_first_not_of('.'));
        cout<<s[i]<<" "<<e[i]<<"\n";
    }
}

Test details

Test 1

Group: 1, 2, 3

Verdict: WRONG ANSWER

input
`100 ?? ?? ?? ?? ...` view save

correct output
`10 11 12 13 20 ...` view save

user output
`IMPOSSIBLE` view save

Test 2

Group: 2, 3

Verdict: WRONG ANSWER

input
`1000 8?? ??8? ???? ???? ...` view save

correct output
`800 1080 1081 1082 1083 ...` view save

user output
`IMPOSSIBLE` view save

Test 3

Group: 3

Verdict: WRONG ANSWER

input
`1000 ?????? ?????9? ??98??? ?????5? ...` view save

correct output
`100000 1000090 1098000 1098050 4100001 ...` view save

user output
`IMPOSSIBLE` view save

Test 4

Group: 1, 2, 3

Verdict: WRONG ANSWER

input
`100 ? ? ? ? ...` view save

correct output
`1 2 3 4 5 ...` view save

user output
`1 ..? 2 ..? 3 ..? 4 ..? 5 ..? ...` Truncated

Test 5

Group: 1, 2, 3

Verdict: RUNTIME ERROR

input
`2 ??? ??` view save

correct output
`IMPOSSIBLE` view save

user output
(empty)

Error:

terminate called after throwing an instance of 'std::length_error'
  what():  basic_string...

Test 6

Group: 1, 2, 3

Verdict: ACCEPTED

input
`3 123 ??? 124` view save

correct output
`IMPOSSIBLE` view save

user output
`IMPOSSIBLE` view save

Test 7

Group: 1, 2, 3

Verdict: ACCEPTED

input
`5 1?? ??? 2?? ??? ...` view save

correct output
`IMPOSSIBLE` view save

user output
`IMPOSSIBLE` view save

Test 8

Group: 3

Verdict: WRONG ANSWER

input
`1000 ????????? ????????? ????????? ????????? ...` view save

correct output
`100000000 100000001 100000002 100000003 100000004 ...` view save

user output
`IMPOSSIBLE` view save

Test 9

Group: 3

Verdict: WRONG ANSWER

input
`900 ???000000 ???000000 ???000000 ???000000 ...` view save

correct output
`100000000 101000000 102000000 103000000 104000000 ...` view save

user output
`IMPOSSIBLE` view save

Test 10

Group: 3

Verdict: WRONG ANSWER

input
`1000 ???1????? ???0????? ???1????? ???0????? ...` view save

correct output
`100100000 101000000 101100000 102000000 102100000 ...` view save

user output
`IMPOSSIBLE` view save

Datatähti 2022 loppu

Lista

Compiler report

Code

Test details

Test 1

Test 2

Test 3

Test 4

Test 5

Test 6

Test 7

Test 8

Test 9

Test 10

Tasks

Submissions (motsgar)