#include #include #define INF 0x7fffffffffffffff //考虑到long long 类型,8个字节 using namespace std; int arr[1000010]; int main(){ int n,k,num1,num2; int *head,*tail; long long minVal; bool havaAnswer; while(scanf("%d%d",&n,&k)!=EOF){ for(int i=0;i num2){ a=num1; b=num2; } printf("%d %d\n",a,b); }else{ printf("%d %d\n",-1,-1); } } return 0;} /************************************************************** Problem: 1352 User: lcyvino Language: C++ Result: Accepted Time:1430 ms Memory:5424 kb****************************************************************/