Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
96103 杨一诺 寻找绝对素数 C++ Wrong Answer 2 MS 264 KB 456 2024-11-03 09:02:02

Tests(0/10):

Code:

#include<bits/stdc++.h> using namespace std; bool su(int a){ for(int i=2;i<=sqrt(a);i++){ if(a%i==0){ return false; } } return true; } int n,m,flag=0; int main(){ cin>>n>>m; for(int i=n;i<=m;i++){ int d=i,c=0; while(d!=0){ c=c*10+d%10; d=d/10; } if(su(i)==true&&su(c)==true){ if(flag==0){ cout<<i; flag=1; } else{ cout<<'，'<<i; } } } if(flag==0){ cout<<"No"; } }

Run Info:

------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-----

10091571137210211571137210311571137210331571137210611571137210691571137210911571137210971571137211031571137211091571137211511571137211531571137211811571137211931571137212011571137212131571137212171571137212231571137212291571137212311571137212371571137212491571137212591571137212791571137212831571137213011571137213211571137213811571137213991571137214091571137214291571137214391571137214531571137214711571137214871571137214991571137215111571137215231571137215591571137215831571137215971571137216011571