#include#include int main() { int i = 0; int count = 0; for (i = 101; i <= 199; i += 2) { int j = 0; for (j = 3; j <= sqrt(i); j += 2) { if (i%j == 0) { break; } } if (j >sqrt(i)) { count++; printf("%d ", i); } } printf("count=%d\n", count); return 0; }
输出结果:
101 103 107 109 113 127 131 137 139 149 151 157 163 167 173 179 181 191 193 197 199 count=21
请按任意键继续. . .