# 2000  ASCII码排序

 1 #include <stdio.h>
2
3 int main(){
4     char a,b,c,t;
5     while(scanf("%c%c%c", &a, &b, &c)!=EOF){
6         getchar();#必须得加这玩意
7         if(a>b){
8             t = a;
9             a = b;
10             b = t;
11         }
12         if(a>c){
13             t = a;
14             a = c;
15             c = t;
16         }
17         if(b>c){
18             t = b;
19             b = c;
20             c = t;
21         }
22         printf("%c %c %c\n", a,b,c);
23     }
24 }

# 2001  计算两点间的距离

 1 #include <stdio.h>
2 #include <math.h>
3 int main(){
4     double x1,y1,x2,y2,d;
5     while(scanf("%lf %lf %lf %lf", &x1, &y1, &x2, &y2)!=EOF){
6         d= sqrt((x1-x2)*(x1-x2) + (y1-y2)*(y1-y2));
7         printf("%.2lf\n", d);
8
9     }
10 }

# 2002  计算球体积

 1 #include <stdio.h>
2 #define PI 3.1415927
3
4 int main(){
5     double x, v;
6     while(scanf("%lf", &x)!=EOF){
7         v = 4*PI*x*x*x/3;
8         printf("%.3lf\n", v);
9     }
10 }

# 2003  求绝对值

 1 #include <stdio.h>
2
3 int main(){
4     double x,y;
5     while(scanf("%lf", &x)!=EOF){
6         y = x;
7         if(y<0){
8             y = -x;
9         }
10         printf("%.2lf\n", y);
11     }
12 }

# 2004  求绝对值

 1 #include <stdio.h>
2
3 int main(){
4     int x;
5     while(scanf("%d", &x)!=EOF){
6         if(x<0 || x>100){
7             printf("Score is error!\n");
8         }
9         if(x>=0 && x<60){
10             printf("E\n");
11         }
12         if(x>=60 && x<70){
13             printf("D\n");
14         }
15         if(x>=70 && x<80){
16             printf("C\n");
17         }
18         if(x>=80 && x<90){
19             printf("B\n");
20         }
21         if(x>=90 && x<=100){
22             printf("A\n");
23         }
24     }
25 }

# 2005  第几天？

 1 #include <stdio.h>
2 int main(){
3     int a,b,c,i,days;
4     int mon[12] = {31,0,31,30,31,30,31,31,30,31,30,31};
5     while(scanf("%d/%d/%d", &a,&b,&c)!=EOF){
6         if((a%4==0 && a%100 !=0) || (a%400 == 0)){
7             days = 0;
8             mon[1] = 29;
9             for(i=0; i<b-1; i++){
10                 days += mon[i];
11             }
12             days += c;
13             printf("%d\n", days);
14         }else{
15             days = 0;
16             mon[1] = 28;
17             for(i=0; i<b-1; i++){
18                 days += mon[i];
19             }
20             days += c;
21             printf("%d\n", days);
22         }
23     }
24
25 }

# 2006  求奇数的乘积

#include <stdio.h>
int main(){
int n, i ,mul;
while((scanf("%d", &n))!=EOF){
mul = 1;
while(n--){
scanf("%d", &i);
if(i%2!=0){
mul = mul*i;
}
}
printf("%d\n", mul);
}

}

# 2007  平方和与立方和

 1 #include <stdio.h>
2 int main(){
3     int n,m,squ,cub,i;
4     while((scanf("%d %d", &n,&m))!=EOF){
5         squ=0;
6         cub=0;
7         if(n<m){
8             for(i=n;i<=m;i++){
9                 if(i%2==0){
10                     squ += i*i;
11                 }else{
12                     cub += i*i*i;
13                 }
14             }
15             printf("%d %d\n",squ,cub);
16         }else{
17             for(i=m;i<=n;i++){
18                 if(i%2==0){
19                     squ += i*i;
20                 }else{
21                     cub += i*i*i;
22                 }
23             }
24             printf("%d %d\n",squ,cub);
25         }
26
27     }
28
29 }

# 2008  数值统计

 1 #include <stdio.h>
2 int main(){
3     int n,x,y,z;
4     double i;
5     while((scanf("%d", &n))!=EOF){
6         if(n==0){
7             continue;
8         }else{
9             x=0;
10             y=0;
11             z=0;
12             while(n--){
13                 scanf("%lf", &i);
14                 if(i<0){
15                     x += 1;
16                 }else if(i==0){
17                     y += 1;
18                 }else if(i>0){
19                     z += 1;
20                 }
21             }
22
23
24         }
25         printf("%d %d %d\n", x,y,z);
26     }
27     return 0;
28 }

# 2009  求数列的和

 1 #include <stdio.h>
2 #include <math.h>
3 int main(){
4     int m;
5     double i,sum,n;
6     while(scanf("%lf %d", &n,&m)!=EOF){
7         sum = 0;
8         while(m--){
9             sum += n;
10             n = sqrt(n);
11
12         }
13         printf("%.2lf\n", sum);
14     }
15 }

# 2010  水仙花数

 1 #include <stdio.h>
2
3 int main(){
4     int m,n,a,b,c,i,flag;
5     while(scanf("%d %d",&m,&n)!=EOF){
6         flag = 0;
7         for(i=m;i<=n;i++){
8             a=i/100;
9             b=i%100/10;
10             c=i%10;
11             if(i==a*a*a+b*b*b+c*c*c){
12                 flag += 1;
13                 if(flag==1){
14                     printf("%d",i);
15                 }else{
16                     printf(" %d",i);
17                 }
18
19             }
20         }
21         if(flag==0){
22             printf("no");
23         }
24         printf("\n");
25
26     }
27 }

# 2011  多项式求和

 1 #include <stdio.h>
2
3 int main(){
4     int n,i;
5     double a,sum,j;
6     scanf("%d", &n);
7     while(n--){
8         sum = 0;
9         scanf("%lf",&a);
10         for(i=1;i<=a;i++){
11             if(i%2==0){
12                 j = i;
13                 sum -= 1/j;
14             }else{
15                 j = i;
16                 sum += 1/j;
17             }
18         }
19         printf("%.2lf\n", sum);
20     }
21 }

posted @ 2019-02-20 20:43  Ragd0ll  阅读(559)  评论(0编辑  收藏