Submission #60166777

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Source Code Expand

#include<bits/stdc++.h>
#include"atcoder/all"
using namespace std;
using namespace atcoder;
#define rep(i,n) for(int i=0;i<(n);i++)
#define all(a) a.begin(),a.end()
typedef long long ll;
typedef vector<ll> vi;
typedef pair<ll,ll> P;
const ll mod=998244353;
const ll inf=1ll<<61;
typedef modint998244353 mi;

string solve(string s){
	ll dec=0;
	rep(i,s.size()){
		dec=dec*8+s[i]-'0';
	}
	string non;
	while(dec){
		non.push_back('0'+dec%9);
		dec/=9;
	}
	reverse(all(non));

	rep(i,non.size())if(non[i]=='8')non[i]='5';
	return non;
}

int main(){
	string s;
	int k;
	cin>>s>>k;

	if(s=="0"){
		cout<<s<<endl;
		return 0;
	}

	rep(i,k)s=solve(s);
	cout<<s<<endl;
}

Submission Info

Compile Error

Main.cpp: In function ‘std::string solve(std::string)’:
Main.cpp:5:31: warning: comparison of integer expressions of different signedness: ‘int’ and ‘std::__cxx11::basic_string<char>::size_type’ {aka ‘long unsigned int’} [-Wsign-compare]
    5 | #define rep(i,n) for(int i=0;i<(n);i++)
      |                               ^
Main.cpp:16:9: note: in expansion of macro ‘rep’
   16 |         rep(i,s.size()){
      |         ^~~
Main.cpp:5:31: warning: comparison of integer expressions of different signedness: ‘int’ and ‘std::__cxx11::basic_string<char>::size_type’ {aka ‘long unsigned int’} [-Wsign-compare]
    5 | #define rep(i,n) for(int i=0;i<(n);i++)
      |                               ^
Main.cpp:26:9: note: in expansion of macro ‘rep’
   26 |         rep(i,non.size())if(non[i]=='8')non[i]='5';
      |         ^~~

Judge Result