代码(C++)
#include <iostream>
#include <map>
using namespace std
;
void show(map
<int, char> m
) {
map
<int, char>::iterator it
;
for (it
= m
.begin(); it
!= m
.end(); ++it
) {
cout
<< it
->first
<< " ";
}
}
int main() {
int n
;
cin
>> n
;
map
<int, char> m
;
while (n
--) {
int temp
;
cin
>> temp
;
m
[temp
] = '6';
}
show(m
);
return 0;
}
结果
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