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题解 | #数位之和#

#include<stdio.h> int main(){ int n=0; int sum=0; scanf("%d",&n); while(n){ sum+=n%10; n/=10; } print...

C

2022-04-29

0 271

题解 | #牛牛学数列4#

#include<stdio.h> int main(){ int n=0; scanf("%d",&n); long long int sum=0; for(int i=1;i<=n;i++){ for(int j=1;j&...

C

2022-04-29

0 220

题解 | #牛牛学数列2#

#include<stdio.h> int main(){ int n=0; double sum=0; scanf("%d",&n); for(int i=1;i<=n;i++){ sum+=1.0/i; } ...

C

2022-04-29

0 284

题解 | #牛牛的西格玛#

#include<stdio.h> int Sum(int a){ if(a==1)return 1; return a+Sum(a-1); } int main(){ int a=0; scanf("%d",&a); printf("%d...

C

2022-04-29

1 234

题解 | #函数实现计算一个数的阶乘#

#include<stdio.h> long long int factorial(long long int a){ if(a==1)return 1; return a*factorial(a-1); } int main(){ long long int a...

C

2022-04-29

0 392

题解 | #小乐乐走台阶#

#include<stdio.h> int Jie(int a){ if(a==1)return 1; if(a==2)return 2; return Jie(a-1)+Jie(a-2); } int main(){ int a=0; scanf...

C

2022-04-29

2 291

题解 | #小乐乐计算函数#

#include<stdio.h> int max3(int a, int b, int c) { a = a > b ? a : b; a = a > c ? a : c; return a; } int main() { int a = 0...

C

2022-04-29

0 240

题解 | #简单计算器#

#include<stdio.h> int main(){ double a, b; char ch; while ((scanf("%lf%c%lf", &a, &ch, &b)) != EOF) { if (ch == '+' || ch == '-'...

C

2022-04-29

3 349

题解 | #[NOIP2008]ISBN号码#

#include <stdio.h> int main() { char arr[13] = { 0 }; scanf("%s", &arr); int a = 0; int j = 1; for (int i = 0; i < 11...

C

2022-04-29

0 214

题解 | #计算一元二次方程#

#include <stdio.h> #include <math.h> int main() { double a, b,c; while (scanf("%lf %lf %lf", &a, &b, &c) != EOF) { if(a==...

C

2022-04-29

0 248