QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#331963 | #7698. ISBN Conversion | cry# | WA | 1ms | 3596kb | C++20 | 3.0kb | 2024-02-19 01:39:59 | 2024-02-19 01:39:59 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
map<char, string> mp;
void envy(){
mp['A'] = "01";
mp['B'] = "1000";
mp['C'] = "1010";
mp['D'] = "100";
mp['E'] = "0";
mp['F'] = "0010";
mp['G'] = "110";
mp['H'] = "0000";
mp['I'] = "OO";
mp['J'] = "0111";
mp['K'] = "101";
mp['L'] = "0100";
mp['M'] = "11";
mp['N'] = "10";
mp['O'] = "111";
mp['P'] = "0110";
mp['Q'] = "1101";
mp['R'] = "010";
mp['S'] = "000";
mp['T'] = "1";
mp['U'] = "001";
mp['V'] = "0001";
mp['W'] = "011";
mp['X'] = "1001";
mp['Y'] = "1011";
mp['Z'] = "1100";
mp['0'] = "11111";
mp['1'] = "01111";
mp['2'] = "00111";
mp['3'] = "00011";
mp['4'] = "00001";
mp['5'] = "00000";
mp['6'] = "10000";
mp['7'] = "11000";
mp['8'] = "11100";
mp['9'] = "11110";
}
#define ex {cout << "invalid" << endl; return;}
bool isdigit(char c){
return c >= '0' && c <= '9';
}
void bruh(){
string s; cin >> s;
int n = s.size();
if(s[0] == '-' || s.back() == '-') ex
vector<int> hyp, dig;
for(int i = 0; i < n; i++){
if(isdigit(s[i])){
dig.push_back(s[i] - '0');
}
else if(s[i] == '-'){
hyp.push_back(i);
}
else if(s[i] == 'X'){
if(i != n - 1) ex
dig.push_back(10);
}
}
if(dig.size() != 10) ex
if(hyp.size() > 3) ex
if(hyp.size() == 3 && hyp.back() != n - 2) ex
for(int i = 0; i < (int)hyp.size() - 1; i++){
if(hyp[i + 1] - hyp[i] == 1) ex
}
int correct_checksum = 0;
for(int i = 0; i < dig.size(); i++){
correct_checksum += (10 - i) * dig[i];
}
if(correct_checksum % 11 != 0) ex
vector<int> newdig = {9, 7, 8};
for(int i: dig) newdig.push_back(i);
int checksum = 0;
for(int i = 0; i < (int)newdig.size() - 1; i++){
if(i % 2 == 0){
checksum += newdig[i];
}
else{
checksum += 3 * newdig[i];
}
checksum %= 10;
}
cout << checksum << endl;
int v = (10 - checksum) % 10;
cout << "978-" << s.substr(0, (int)s.size() - 1) << v << endl;
}
int main() {
ios_base::sync_with_stdio(false);
cin.tie(0);
// envy();
int t; cin >> t;
while(t--){
bruh();
}
}
// string s; cin >> s;
// int n = s.size();
// for(int i = 0; i < n - 1; i++){
// if(s[i] == 'O' && s[i + 1] == 'O'){
// cout << "INVALID" << endl;
// return 0;
// }
// }
// if(s.back() != 'O'){
// cout << "INVALID" << endl;
// return 0;
// }
// for(ll start = 3; start < 1000; start += 2){
// ll res = start;
// bool ok = true;
// for(int i = n - 2; i >= 0; i--){
// if(s[i] == 'E'){
// res *= 2;
// }
// else{
// res--;
// if(res % 3 != 0){
// ok = false;
// break;
// }
// res /= 3;
// }
// if(s[i] == 'E' && res % 2 == 1){
// ok = false;
// break;
// }
// if(s[i] == 'O' && res % 2 == 0){
// ok = false;
// break;
// }
// if(__builtin_popcountll(res) == 1){
// ok = false;
// break;
// }
// }
// if(ok){
// cout << res << "\n";
// // break;
// }
// }
Details
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Test #1:
score: 0
Wrong Answer
time: 1ms
memory: 3596kb
input:
4 3-540-4258-02 039428013X 3-540-42580-2 0-14-028333-3
output:
invalid 6 978-0394280134 1 978-3-540-42580-9 invalid
result:
wrong answer 2nd lines differ - expected: '978-0394280134', found: '6'