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为什么老是超时间了????我的程序是:::: #include<iostream> using namespace std; int main() { long int num[1500]; long int a,b; int k; for( k = 1 ; k < 7 ;k++) num[k] = k; for( a = 7 ; a <= 2147483648 ; a++) { b = a; while( b % 2 == 0) { b /= 2; } while( a % 3 == 0) { b/=3; } while( a % 5 == 0) { b /= 5; } if( b == 0)num[k++] = a; } for( int x = 0; x < 1500 ; x++) cout << num[x]<<" "; cout << endl; int i; while( cin >> i && i) { cout << num[i]<<endl; } return 0; } Followed by:
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