1、计算A+B
1 #include <stdio.h> 2 int main() 3 { 4 int a,b; 5 scanf("%d%d",&a,&b); 6 printf("%d",a+b); 7 return 0; 8 }
2、圆及圆球的相关计算
1 #include <stdio.h> 2 #include <math.h> 3 #define PI 3.1415926 4 int main() 5 { 6 double r,h,l,s,sq,vq,vz; 7 scanf("%lf%lf",&r,&h); 8 9 l = 2*PI*r; 10 s = PI*r*r; 11 sq = 4*s; 12 vq = PI*r*r*r*4/3; 13 vz = s*h; 14 15 printf("%.2f ",l); 16 printf("%.2f ",s); 17 printf("%.2f ",sq); 18 printf("%.2f ",vq); 19 printf("%.2f ",vz); 20 return 0; 21 }
3、计算成绩
#include <stdio.h> int main() { double a,b,c; scanf("%lf%lf%lf",&a,&b,&c); printf("%f ",a+b+c); printf("%f",(a+b+c)/3); return 0; }
4、找最大数
1 #include <stdio.h> 2 int main() 3 { 4 int a,b,c; 5 scanf("%d%d%d",&a,&b,&c); 6 int t = a>b?a:b; 7 printf("%d",t>c?t:c); 8 return 0; 9 }
5、找幸运数
#include <stdio.h> int main() { int n,t,t1 = 0; scanf("%d",&n); t = n; while(t) { t1 = t1*10+t%10; t /= 10; } if(n==t1) printf("yes"); else printf("no"); return 0; }
6、奖金发放
1 #include <stdio.h> 2 #include <stdlib.h> 3 4 int main() 5 { 6 double profits,bonus; 7 scanf("%lf",&profits); 8 double bonus1,bonus2,bonus3,bonus4,bonus5; 9 10 bonus1 = 10*0.1; 11 bonus2 = bonus1 + (20-10)*0.075; 12 bonus3 = bonus2 + (40-20)*0.05; 13 bonus4 = bonus3 + (60-40)*0.03; 14 bonus5 = bonus4 + (100-60)*0.015; 15 16 if(profits<=10){ 17 bonus = profits*0.1; 18 } 19 else if(profits<=20){ 20 bonus = bonus1 + (profits-10)*0.075; 21 } 22 else if(profits<=40){ 23 bonus = bonus2 + (profits-20)*0.05; 24 } 25 else if(profits<=60){ 26 bonus = bonus3 + (profits-40)*0.03; 27 } 28 else if(profits<=100){ 29 bonus = bonus4 + (profits-60)*0.015; 30 } 31 else{ 32 bonus = bonus5 + (profits-100)*0.01; 33 } 34 35 36 printf("%f ",bonus); 37 38 return 0; 39 }
7、出租车费
1 #include <stdio.h> 2 #include <math.h> 3 int main() 4 { 5 /* */ 6 double distance,fee; 7 8 scanf("%lf",&distance); 9 10 int d = distance; 11 if(d<=2){ 12 fee = 7; 13 } 14 else if(d>2&&d<=15){ 15 fee = 7 + ceil(distance-2)*1.5; 16 } 17 else if(d>15){ 18 fee = 7 + (15-2)*1.5 + ceil(distance-15)*2.1; 19 } 20 21 printf("%f " ,fee); 22 23 return 0; 24 }
8、是该年的第几天
1 #include <stdio.h> 2 int leap(int year); 3 int days(int year,int month,int day); 4 int main() 5 { 6 int year,month,day; 7 scanf("%d-%d-%d",&year,&month,&day); 8 printf("%d",days(year,month,day)); 9 return 0; 10 } 11 int leap(int year) 12 { 13 return (year%400==0||(year%4==0 && year%100!=0)); 14 } 15 int days(int year,int month,int day) 16 { 17 int days[] = {0,31,28,31,30,31,30,31,31,30,31,30,31}; 18 int d=0; 19 for(int i=1; i<month; ++i) 20 d += days[i]; 21 if(leap(year)&&month>2) 22 d++; 23 return d + day; 24 }
9、成绩转换
1 #include <stdio.h> 2 3 int main() 4 { 5 int achievment; 6 char ch; 7 scanf("%d",&achievment); 8 switch(achievment/10) 9 { 10 case 10: 11 case 9: ch = 'A';break; 12 case 8: ch = 'B';break; 13 case 7: ch = 'C';break; 14 case 6: ch = 'D';break; 15 default: ch = 'E'; 16 } 17 printf("%c",ch); 18 return 0; 19 }
10、求建筑高度
1 #include <stdio.h> 2 #include <math.h> 3 int main() 4 { 5 float x,y,dis; 6 scanf("%f,%f",&x,&y); 7 x = fabs(x); 8 y = fabs(y); 9 dis = (x-2)*(x-2)+(y-2)*(y-2); //点到圆心的距离; 10 printf("%d ",dis>1?0:10); 11 return 0; 12 }
1 #include <stdio.h> 2 #include <math.h> 3 int main() 4 { 5 int h; 6 float x,y,a,b,c,d; 7 scanf("%f,%f",&x,&y); 8 a=sqrt((x-2)*(x-2)+(y-2)*(y-2)); //点到圆心的距离 9 b=sqrt((x+2)*(x+2)+(y-2)*(y-2)); 10 c=sqrt((x+2)*(x+2)+(y+2)*(y+2)); 11 d=sqrt((x-2)*(x-2)+(y+2)*(y+2)); 12 if(a<=1||b<=1||c<=1||d<=1) 13 h=10; 14 else 15 h=0; 16 printf("%d ",h); 17 return 0; 18 }