[cpp-winapi] Nine Challenge
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- int t=0;
- cin>>t;
- for (int Case=1;Case<=t;Case++) {
- string s;
- cin>>s;
- lli sum=0;
- for (lli i=0;i<s.size();i++) {
- sum += s[i]-'0';
- }
- lli want=(9 - sum)%9;
- if(want==9) cout<<"Case #"<<Case<<": "<<s<<'\n';
- else {
- lli pos1=-1,pos1num=want+1,pos2=-1,pos2num=want;
- for (lli i=0;i<(lli)s.size();i++) {
- if(s[i]-48>=pos1num) {
- pos1=i-1;
- pos1num=s[i]-48;
- }
- else if(s[i]-48 <= pos2num) {
- pos2=i+1;
- pos2num=s[i]-48;
- }
- }
- lli pos;
- if(pos2==-1) {
- pos=pos1;
- }
- else {
- pos=pos2;
- }
- if(pos==-1) pos=0;
- vector<char>ans(s.size()+1,' ');
- for (lli i=0,j=0;j<(lli)s.size()+1;j++) {
- if(j==pos) ans[j]=want+'0';
- else ans[j]=s[i], i++;
- }
- string divisible = "";
- for (lli i=0;i<ans.size();i++) {
- divisible += ans[i];
- }
- cout<<"Case #"<<Case<<": "<<divisible<<'\n';
- }
- }
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