Run ID 作者 问题 语言 测评结果 Time Memory 代码长度 提交时间
132741 陈华仁星 寻找绝对素数 C++ Wrong Answer 1 MS 264 KB 633 2025-10-12 11:37:53

Tests(0/10):

Code:

#include <iostream> using namespace std; int n,m; bool top_(int i) { if(i<2) return false; else { for(int j=2; j*j<i; j++) { if(i%j==0) return false; } return true; } } int fan_shu(int a) { int shazi=a; int num=0; while(shazi>0) { num=shazi%10+num*10; shazi/=10; } return num; } int main() { int cnt=0; scanf("%d%d",&n,&m); for(int i=n; i<=m; i++) { if(top_(i)&&top_(fan_shu(i))) { cnt++; if(cnt==1) { printf("%d",i); } else { printf(",%d",i); } } } if(cnt==0) { printf("No"); return 0; } return 0; }

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-----

1009,1021,1031,1033,1061,1069,1091,1097,1103,1109,1151,1153,1181,1193,1201,1213,1217,1223,1229,1231,1237,1249,1259,1279,1283,1297,1301,1321,1369,1381,1399,1409,1429,1439,1453,1471,1487,1499,1511,1523,1559,1583,1597,1601,1619,1657,1669,1681,1723,1733,1741,1753,1789,1811,1831,1847,1861,1867,1879,1901,1913,1933,1949,1979,3011,3019,3023,3049,3067,3083,3089,3109,3121,3163,3169,3191,3203,3221,3251,3257,3271,3299,3301,3319,3343,3347,3359,3371,3373,3389,3391,3407,3433,3463,3467,3469,3511,3527,3541,3571,