poj 1731(水题,next_permutation)
#include<iostream> #include<algorithm> #include<cstring> #include<cstdio> using namespace std; int main(){ char data[205]; scanf("%s",data); int len = strlen(data); sort(data,data+len); do{ printf("%s\n",data); }while(next_permutation(data,data+len)); return 0; }

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