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int while_Func() {
unsigned int i = 1;
unsigned int sum1 = 0, sum2 = 0, sum3 = 0;
while (i<98)
{
sum1 += i;
sum2 += i + 1;
sum3 += i + 2;
i += 3;
}
printf("1 + 4 + 7 + 10 + 13 + ……的和:%u\n", sum1);
printf("2 + 5 + 8 + 11 + 14 + ……的和:%u\n", sum2);
printf("3 + 6 + 9 + 12 + 15 + ……的和:%u\n", sum3);
return 0;
}
int for_Func() {
unsigned int sum1 = 0, sum2 = 0, sum3 = 0;
for (unsigned int i = 1; i < 98; i += 3)
{
sum1 += i;
sum2 += i+1;
sum3 += i+2;
}
printf("1 + 4 + 7 + 10 + 13 + ……的和:%u\n", sum1);
printf("2 + 5 + 8 + 11 + 14 + ……的和:%u\n", sum2);
printf("3 + 6 + 9 + 12 + 15 + ……的和:%u\n", sum3);
return 0;
}