#include<stdio.h>
struct ser
{
int h,m,s;
} time;
int main()
{
int x;
scanf("%d:%d:%d",&time.h,&time.m,&time.s);
scanf("%d",&x);
time.s+=x;
if(time.s>=60)
{
time.m+=1;
time.s=time.s-60;
if(time.m>=60)
{
time.h+=1;
time.m=time.m-60;
if(time.h==24)
{
time.h=0;
}
}
}
printf("%d :%d :%d\n",time.h,time.m,time.s);
return 0;
}
#include<stdio.h>
struct ser
{
int n;
char a[20];
double m;
}q[10];
int main()
{
int x;
scanf("%d",&x);
for(int i=0;i<x;i++)
scanf("%d %s %lf",&q[i].n,q[i].a,&q[i].m);
double sum=0;
for(int i=0;i<x;i++)
{
sum=sum+q[i].m;
}
printf("%.2lf",sum/x);
return 0;
}
#include <stdio.h>
struct complex{
int real;
int imag;
};
struct complex multiply(struct complex x, struct complex y);
int main()
{
struct complex product, x, y;
scanf("%d%d%d%d", &x.real, &x.imag, &y.real, &y.imag);
product = multiply(x, y);
printf("(%d+%di)\n(%d+%di)\n%d+%di\n",
x.real, x.imag, y.real, y.imag, product.real, product.imag);
return 0;
}
struct complex multiply(struct complex x, struct complex y){
struct complex z;
z.real = x.real * y.real - x.imag * y.imag;
z.imag = x.real * y.imag + x.imag * y.real;
return z;
}
#include<stdio.h>
struct book
{
char name[10];
float price;
};
int main()
{
struct book a[10];
int min=0,max=0,n,i;
scanf("%d",&n);
for(i=1; i<=n; i++)
{
scanf("%s%f",a[i-1].name,&a[i-1].price);
}
for(i=1; i<n; i++)
{
if(a[i].price>a[max].price)
max=i;
if(a[i].price<a[min].price)
min=i;
}
printf("%.1f,%s\n",a[max].price,a[max].name);
printf("%.1f,%s\n",a[min].price,a[min].name);
return 0;
}
#include<stdio.h>
struct student
{
int n;
char a[20];
double m;
}q[10];
int set_grade(double x)
{
if(x<=59)
{
return 'D';
}
else if(x<=69)
{
return 'C';
}
else if(x<=84)
{
return 'B';
}
else
{
return 'A';
}
}
int main ()
{
for(int i=0;i<10;i++)
{
scanf("%d %s %lf",&q[i].n,q[i].a,&q[i].m);
}
for(int i=0;i<10;i++)
{
char str=set_grade(q[i].m);
printf("%d %s %lf %c\n",q[i].n,q[i].a,q[i].m,str);
}
return 0;
}
/*
1 asd 85
2 wer 75
3 wrt 70
4 bgu 84
5 tyi 90
6 gut 69
7 ghb 60
8 yut 50
9 guy 100
10 edc 78
*/
三、改错
#include<stdio.h>
int main()
{
char str[]="总分最高的学生是:",s[]="分";//存入一个字符型汉字数组
struct students
{
int number;
char name[20];
int score[3];
int sum;
}student[100];//student[100]定义一个结构体数组
int i,j,k,n,max=0;
printf("n=");
scanf("%d",&n);
for(i=0; i<n; i++)
{
scanf("%d%s",&student[i].number,student[i].name);
for(j=0; j<3; j++)
{
scanf("%d",&student[i].score[j]);
}
student[i].sum=student[i].score[0]+student[i].score[1]+student[i].score[2];
}
k=0;
max=student[0].sum;
for(i=0; i<n; i++)
{
if(max<student[i].sum)
{
max=student[i].sum;//更新max的值
k=i;
}
}
printf("%s %s, %d%s\n",str,student[k].name,student[k].sum,s);//变成输出汉字型
return 0;
}
/*
5
1 wer 23 44 67
2 rer 34 67 88
3 rdf 65 76 44
4 fgh 99 99 99
5 fby 56 88 54
5
1 黄岚 78 83 75
2 王海 76 80 77
3 沈强 87 85 76
4 张枫 92 88 78
5 章盟 80 82 75
*/
(1)
#include<stdio.h>
#include<iostream>
#include<algorithm>
using namespace std;
struct date
{
int a;
int b;
int c;
};
struct node
{
char name[20];
struct date birth;
char num[50];
} node[100],t;
int n;
void sort()
{
int i,j;
for(i=0; i<n; i++)
{
for(j=0; j<n-i-1; j++)
{
if(node[j].birth.a<node[j+1].birth.a)
{
t=node[j];
node[j]=node[j+1];
node[j+1]=t;
}
}
}
for(i=0; i<n; i++)
{
printf("%s ",node[i].name);
printf("%d ",node[i].birth.a);
printf("%s\n",node[i].num);
}
}
int main()
{
int i;
cin>>n;
for(i=0; i<n; i++)
{
scanf("%s",node[i].name);
scanf("%d %d %d",&node[i].birth.a,&node[i].birth.b,&node[i].birth.c);
node[i].birth.a=((node[i].birth.a*100+node[i].birth.b)*100+node[i].birth.c);
scanf("%s",node[i].num);
}
sort();
return 0;
}
/*
3
zhang 1985 04 03 13912345678
wang 1982 10 20 86057188018448
qian 1984 06 19 13609876543
*/
(2)
#include<stdio.h>
int main()
{
int compareRational(double x,double y);
double x,y,a,b,c,d;
int r=0;
scanf("%lf/%lf",&a,&b);
x=a/b;
scanf("%lf/%lf",&c,&d);
y=c/d;
r=compareRational(x,y);
if(r==-1)
{
printf("%.lf / %.lf < %.lf / %.lf\n",a,b,c,d);
}
else if(r==0)
{
printf("%.lf / %.lf = %.lf / %.lf\n",a,b,c,d);
}
else
{
printf("%.lf / %.lf > %.lf / %.lf\n",a,b,c,d);
}
//printf("%d\n",r);
return 0;
}
int compareRational(double x,double y)
{
if (x>y)
return 1;
else if (x<y)
return -1;
else
return 0;
}
/*
1/2 3/4
*/
(3)
#include<stdio.h>
#include<math.h>
//#include<stdlib.h>
#include<string.h>
int main()
{
struct vec
{
double x;
double y;
} v1, v2;
scanf("%lf %lf %lf %lf", &v1.x, &v1.y, &v2.x, &v2.y);
double a, b;
a = v1.x+v2.x;
b = v1.y+v2.y;
if(a < 0 && a > -0.05)
a = 0.0;
if(b < 0 && b > -0.05)
b = 0.0;
printf("(%.1f, %.1f)", a, b);
}
/*
3.5 -2.7 -13.9 8.7
*/