题目链接 思路 乙级题目里的同一个题 AC代码
#include<iostream>
#include<cstdio>
#include<algorithm>
#include<cmath>
#include<cstring>
#include<string>
#include<map>
#include<stack>
using namespace std
;
typedef long long ll
;
const int maxn
=1e6;
map
<char,int> mp
;
int main()
{
for(int i
=0;i
<10;i
++)
{
mp
['0'+i
]=0;
}
string num
;
cin
>>num
;
int len
=num
.size();
for(int i
=0;i
<len
;i
++)
{
mp
[num
[i
]]++;
}
for(int i
=0;i
<10;i
++)
{
if(mp
['0'+i
]!=0)
cout
<<(i
)<<":"<<mp
['0'+i
]<<endl
;
}
return 0;
}
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