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题解 | #回文对称数#暴力查

include<stdio.h> int main(){ int n; scanf("%d",&n); for(int i = 1; i <= n; i++){ if(i < 10){ printf("%d\n",i)...

2021-04-12

0 588

暴力查询

#include<stdio.h> int main(){ int n; int sum = 0; scanf("%d",&n); ...

2021-04-07

0 479

递归调用

#include<stdio.h>//递归调用摆出数列规律int An(n){ if(n == 1){ return 0; }else if(n == 2){ return 1; }else if(n == 3){ return...

2021-04-07

3 542

递归调用

#include<stdio.h>//递归求斐波那契int value(n){ if(n == 1){ return 1; }else if(n ==2){ return 1; }else{ return value(n-2) ...

2021-04-07

0 505

找规律

#include<stdio.h>int main(){ int n; scanf("%d",&n); double sum = 0; //根据给定算式能看出分母是1，-2,3，-4，...，n //即分母为偶数时为负数 for(int i =...

2021-04-07

1 473

递归调用

#include<stdio.h>//递归求n时1-n的和int sum(int n){ if(n == 1){ return 1; }else{ return n + sum(n-1); }}int main(){ int n; ...

2021-04-07

0 528

牛牛数列

include<stdio.h> int main(){ int n; scanf("%d",&n); if(n % 2 == 0){ //遇到一次偶数则执行加一次-1 printf("%d",(n/2)*(-1)); }else{ //遇到...

2021-04-06

1 591

圆

include<stdio.h> int main(){ double a; double pi = 3.14159; scanf("%lf",&a); printf("%.6lf\n",2pia); printf("%.6lf",piaa); ...

2021-04-02

0 496