| Run ID | 作者 | 问题 | 语言 | 测评结果 | Time | Memory | 代码长度 | 提交时间 |
|---|---|---|---|---|---|---|---|---|
| 84171 | 揭伟琦 | 寻找绝对素数 | C++ | Wrong Answer | 1 MS | 272 KB | 659 | 2024-07-15 12:06:32 |
#include<iostream> using namespace std; bool isZS(int a){ for (int j=2;j<a;j++){ if(a%j==0){ return false; } } return true; } int fx(int a){ int m=0; while(a>0){ m=m*10+a%10; a=a/10; } return m; } int main(){ int m,n,k,flang=0; cin>>m>>n; for(int i=m;i<=n;i=i+2){ k=fx(i); if(isZS(i)&&isZS(k)){ if(flang==0){ cout <<i; flang=1; } else{ cout <<','<<i; } } } }
------Input------
1000 10999
------Answer-----
1009,1021,1031,1033,1061,1069,1091,1097,1103,1109,1151,1153,1181,1193,1201,1213,1217,1223,1229,1231,1237,1249,1259,1279,1283,1301,1321,1381,1399,1409,1429,1439,1453,1471,1487,1499,1511,1523,1559,1583,1597,1601,1619,1657,1669,1723,1733,1741,1753,1789,1811,1831,1847,1867,1879,1901,1913,1933,1949,1979,3011,3019,3023,3049,3067,3083,3089,3109,3121,3163,3169,3191,3203,3221,3251,3257,3271,3299,3301,3319,3343,3347,3359,3371,3373,3389,3391,3407,3433,3463,3467,3469,3511,3527,3541,3571,3583,3613,3643,3697,
------Your output-----