牛客网140道编程题源代码(51—100)
题解51| # 三角形判断 #
https://www.nowcoder.com/practice/689ec1e742394e09b1059556fc167b65
#include <stdio.h>
int main()
{
int a = 0;
int b = 0;
int c = 0;
while(~scanf("%d %d %d",&a,&b,&c))
{
if((a+b>c)&&(a+c>b)&&(b+c>a))
{
if((a==b&&a!=c)||(a==c&&a!=b)||(b==c&&b!=a))
{
printf("Isosceles triangle!\n");
}
else if (a==b&&b==c)
{
printf("Equilateral triangle!\n");
}
else
{
printf("Ordinary triangle!\n");
}
}
else
{
printf("Not a triangle!\n");
}
}
return 0;
}
题解52| # 衡量人体胖瘦程度 #
https://www.nowcoder.com/practice/4d604603fae94a26b59b7bc18f363bc0
#include <stdio.h>
int main()
{
int weight = 0;
int hight = 0;
while (scanf("%d %d", &weight, &hight) != EOF)
{
double BMI = weight / ((hight / 100.0) * (hight / 100.0));
if (BMI < 18.5)
{
printf("Underweight\n");
}
else if (BMI >= 18.5 && BMI <= 23.8)
{
printf("Normal\n");
}
else if (BMI > 23.9 && BMI <= 27.9)
{
printf("Overweight\n");
}
else
{
printf("Obese\n");
}
}
return 0;
}
题解53| # 计算一元二次方程 #
https://www.nowcoder.com/practice/7da524bb452441b2af7e64545c38dc26
#include <stdio.h>
#include <math.h>
int main()
{
double a = 0.0;
double b = 0.0;
double c = 0.0;
while (scanf("%lf %lf %lf", &a, &b, &c) != EOF)
{
if (a == 0)
{
printf("Not quadratic equation\n");
}
else
{
double disc = b * b - 4 * a * c;
if (disc == 0)
{
if (b == 0 && c == 0)
{
printf("x1=x2=0.00\n");
}
else
printf("x1=x2=%.2f\n", (-b) / (2 * a));
}
else if (disc > 0)
{
printf("x1=%.2lf;x2=%.2lf\n", (-b - sqrt(disc)) / (2 * a), (-b + sqrt(disc)) / (2 * a));
}
else
{
double real = (-b) / (2 * a);
double image = sqrt(-disc) / (2 * a);
printf("x1=%.2lf-%.2lfi;x2=%.2lf+%.2lfi\n", real, image, real, image);
}
}
}
return 0;
}
题解54| # 获得月份天数 #
https://www.nowcoder.com/practice/13aeae34f8ed4697960f7cfc80f9f7f6
#include <stdio.h>
int main()
{
int year = 0;
int month = 0;
int days[12]={31,28,31,30,31,30,31,31,30,31,30,31};
while(~scanf("%d %d",&year,&month))
{
int day = days[month-1];
if((year%4==0&&year%100!=0)||(year%400==0))
{
if(month==2)
{
day+=1;
}
}
printf("%d\n",day);
}
return 0;
}
题解55| # 简单计算器 #
https://www.nowcoder.com/practice/b8f770674ba7468bb0a0efcc2aa3a239
#include <stdio.h>
int main()
{
double n1 = 0;
double n2 = 0;
char op = 0;
scanf("%lf %c %lf",&n1,&op,&n2);
switch(op)
{
case '+':
printf("%.4lf+%.4lf=%.4lf\n",n1,n2,n1+n2);
break;
case '-':
printf("%.4lf-%.4lf=%.4lf\n",n1,n2,n1-n2);
break;
case '*':
printf("%.4lf*%.4lf=%.4lf\n",n1,n2,n1*n2);
break;
case '/':
if(n2==0.0)
{
printf("Wrong!Division by zero!\n");
}
else
{
printf("%.4lf/%.4lf=%.4lf\n",n1,n2,n1/n2);
}
break;
default:
printf("Invalid operation!\n");
break;
}
return 0;
}
题解56| # 线段图案 #
#include <stdio.h>
int main()
{
int n = 0;
while(scanf("%d",&n)!=EOF)
{
int i = 0;
for(i=0;i<n;i++)
{
printf("*");
}
printf("\n");
}
return 0;
}
题解57| # 正方形图案 #
#include <stdio.h>
int main()
{
int n = 0;
while(scanf("%d",&n)!=EOF)
{
int i = 0;
for(i=0;i<n;i++)
{
int j = 0;
for(j = 0;j<n;j++)
{
printf("* ");
}
printf("\n");
}
}
return 0;
}
题解58| # 直角三角形图案 #
#include <stdio.h>
int main()
{
int n = 0;
while (scanf("%d", &n)!=EOF)
{
int i = 0;
for (i = 1; i <= n; i++)
{
int j = 0;
for (j = 1; j <= i; j++)
{
printf("* ");
}
printf("\n");
}
}
return 0;
}
题解59| # 翻转直角三角形图案 #
#include <stdio.h>
int main()
{
int n = 0;
while (scanf("%d", &n) != EOF)
{
int i = 0;
for (i = 0; i < n; i++)
{
int j = 0;
for (j = 0; j < n - i; j++)
{
printf("* ");
}
printf("\n");
}
}
return 0;
}
题解60| # 带空格直角三角形图案 #
#include <stdio.h>
int main()
{
int n = 0;
while(~scanf("%d",&n))
{
int i = 0;
for(i = 1;i<=n;i++)
{
int j = 0;
for(j = 1;j<=n-i;j++)
{
printf(" ");
}
for(j = 1;j<=i;j++)
{
printf("* ");
}
printf("\n");
}
}
return 0;
}
#include <stdio.h>
int main()
{
int n = 0;
while (~scanf("%d", &n))
{
int i = 0;
for (i = 0; i < n; i++)
{
int j = 0;
for (j = 0; j < n - 1 - i; j++)
{
printf(" ");
}
for (j = 0; j <= i; j++)
{
printf("* ");
}
printf("\n");
}
}
return 0;
}
#include <stdio.h>
int main()
{
int n = 0;
while(~scanf("%d",&n))
{
int i = 0;
for(i = 1;i<=n;i++)
{
int j = 0;
for(j = 1;j<=n-i;j++)
{
printf(" ");
}
for(j = 1;j<=i;j++)
{
printf("* ");
}
printf("\n");
}
}
return 0;
}
题解61| # 金字塔图案 #
#include <stdio.h>
int main()
{
int n = 0;
while(scanf("%d",&n)!=EOF)
{
int i = 0;
for(i = 1;i<=n;i++)
{
int j = 0;
for(j=1;j<=n-i;j++)
{
printf(" ");
}
for(j=1;j<=i;j++)
{
printf("* ");
}
printf("\n");
}
}
return 0;
}
题解62| # 翻转金字塔图案 #
#include <stdio.h>
int main()
{
int n = 0;
while (~scanf("%d", &n))
{
int i = 0;
for (i = 0; i < n; i++)
{
int j = 0;
for (j = 0; j < i; j++)
{
printf(" ");
}
for (j = 0; j < n - i; j++)
{
printf("* ");
}
printf("\n");
}
}
return 0;
}
题解63| # 菱形图案 #
#include <stdio.h>
int main()
{
int n = 0;
while(scanf("%d",&n)!=EOF)
{
int i = 0;
for(i=0;i<n;i++)
{
int j = 0;
for(j = 0;j<n-i;j++)
{
printf(" ");
}
for(j=0;j<=i;j++)
{
printf("* ");
}
printf("\n");
}
for(i = 0;i<n+1;i++)
{
int j = 0;
for(j = 0;j<i;j++)
{
printf(" ");
}
for(j = 0;j<n+1-i;j++)
{
printf("* ");
}
printf("\n");
}
}
return 0;
}
题解64| # K形图案 #
#include <stdio.h>
int main()
{
int n = 0;
while(scanf("%d",&n)!=EOF)
{
int i = 0;
for(i = 0;i<n;i++)
{
int j = 0;
for(j = 0;j<n+1-i;j++)
{
printf("* ");
}
printf("\n");
}
for(i = 0;i<n+1;i++)
{
int j = 0;
for(j = 0;j<=i;j++)
{
printf("* ");
}
printf("\n");
}
}
return 0;
}
题解65| # 箭形图案 #
#include <stdio.h>
int main()
{
int n = 0;
while(~scanf("%d",&n))
{
int i= 0;
for(i = 0 ;i < n ;i++)
{
int j = 0;
for(j = 0;j<n-i;j++)
{
printf(" ");
}
for(j = 0;j<=i;j++)
{
printf("*");
}
printf("\n");
}
for(i = 0;i<n+1;i++)
{
int j = 0;
for(j=0;j<i;j++)
{
printf(" ");
}
for(j=0;j<n+1-i;j++)
{
printf("*");
}
printf("\n");
}
}
return 0;
}
题解66| # 反斜线形图案 #
#include <stdio.h>
int main()
{
int n = 0 ;
while(scanf("%d",&n)!=EOF)
{
int i = 0;
for(i = 0;i<n;i++)
{
int j = 0;
for(j = 0;j<i;j++)
{
printf(" ");
}
printf("*\n");
}
}
return 0;
}
#include <stdio.h>
int main()
{
int n = 0 ;
while(scanf("%d",&n)!=EOF)
{
int i = 0;
for(i = 0;i<n;i++)
{
int j = 0;
for(j = 0;j<n;j++)
{
if(i == j)
{
printf("*");
}
else
{
printf(" ");
}
}
printf("\n");
}
}
return 0;
}
题解67| # 正斜线形图案 #
#include <stdio.h>
int main()
{
int n = 0;
while(scanf("%d",&n)!=EOF)
{
int i = 0;
for(i = 0;i<n;i++)
{
int j = 0;
for(j = 0;j<n-1-i;j++)
{
printf(" ");
}
printf("*\n");
}
}
return 0;
}
#include <stdio.h>
int main()
{
int n = 0;
while (scanf("%d", &n) != EOF)
{
int i = 0;
for (i = 0; i < n; i++)
{
int j = 0;
for (j = 0; j < n; j++)
{
if (i + j == n - 1)
printf("*");
else
printf(" ");
}
printf("\n");
}
}
return 0;
}
题解68| # X形图案 #
#include <stdio.h>
int main()
{
int n = 0;
while(scanf("%d",&n)!=EOF)
{
int i = 0;
for(i = 0;i<n;i++)
{
int j = 0;
for(j = 0;j<n;j++)
{
if(i==j||i+j==n-1)
{
printf("*");
}
else
{
printf(" ");
}
}
printf("\n");
}
}
return 0;
}
#include <stdio.h>
int main()
{
int n = 0;
while(scanf("%d",&n)!=EOF)
{
int i = 0;
for(i = 0;i<n;i++)
{
int j = 0;
for(j = 0;j<n;j++)
{
if(i==j)
{
printf("*");
}
else if(i+j==n-1)
{
printf("*");
}
else
{
printf(" ");
}
}
printf("\n");
}
}
return 0;
}
题解69| # 空心正方形图案 #
#include <stdio.h>
int main()
{
int n = 0;
while (scanf("%d", &n) != EOF)
{
int i = 0;
for (i = 0; i < n; i++)
{
int j = 0;
for (j = 0; j < n; j++)
{
if (i == 0 || i == n - 1)
{
printf("* ");
}
else if (j == 0 || j == n - 1)
{
printf("* ");
}
else
{
printf(" ");
}
}
printf("\n");
}
}
return 0;
}
题解70| # 空心三角形图案 #
#include <stdio.h>
int main()
{
int n = 0;
while (scanf("%d", &n) != EOF)
{
int i = 0;
for (i = 0; i < n; i++)
{
int j = 0;
for (j = 0; j < n; j++)
{
if (j == 0 || i == j || i == n - 1)
{
printf("* ");
}
else {
printf(" ");
}
}
printf("\n");
}
}
return 0;
}
题解71| # 新年快乐 #
#include <stdio.h>
int main()
{
printf("Happy New Year*2019*\n");
return 0;
}
题解72| # 平均身高 #
#include <stdio.h>
int main()
{
double hight[5] = { 0 };
int i = 0;
double sum = 0;
double div = 0;
for (i = 0; i < 5; i++)
{
scanf("%lf", &hight[i]);
sum = sum + hight[i];
}
div = sum / 5;
printf("%.2lf\n", div);
return 0;
}
题解73| # 挂科危险 #
#include <stdio.h>
int main()
{
int credit = 0;
scanf("%d", &credit);
if (credit >= 0 && credit <= 3)
{
printf("Good\n");
}
else if (credit >= 4 && credit <= 9)
{
printf("Danger\n");
}
else
{
printf("Danger++\n");
}
return 0;
}
题解74| # HTTP状态码 #
#include <stdio.h>
int main()
{
int n = 0;
while (scanf("%d", &n) != EOF)
{
if (n == 200)
{
printf("OK\n");
}
else if (n == 202)
{
printf("Accepted\n");
}
else if (n == 400)
{
printf("Bad Request\n");
}
else if (n == 403)
{
printf("Forbidden\n");
}
else if (n == 404)
{
printf("Not Found\n");
}
else if (n == 500)
{
printf("Internal Server Error\n");
}
else if (n == 502)
{
printf("Bad Gateway\n");
}
}
return 0;
}
题解75| # 数字三角形 #
#include <stdio.h>
int main()
{
int n = 0;
while (scanf("%d", &n) != EOF)
{
int i = 0;
for (i = 1; i <= n; i++)
{
int j = 0;
for (j = 1; j <= i; j++)
{
printf("%d ", j);
}
printf("\n");
}
}
return 0;
}
题解76| # 公务员面试 #
#include <stdio.h>
int main()
{
int score[7] = { 0 };
while (~scanf("%d %d %d %d %d %d %d", &score[0], &score[1], &score[2], &score[3], &score[4], &score[5], &score[6]))
{
int i = 0;
int max = 0;
int sum = 0;
int min = 100;
for (i = 0; i < 7; i++)
{
sum += score[i];
if (score[i] > max)
{
max = score[i];
}
if (score[i] < min)
{
min = score[i];
}
}
printf("%.2lf\n", (sum - min - max) / 5.0);
}
return 0;
}
题解77| # 有序序列插入一个数 #
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题解101| # 班级成绩的输入输出 #
#include <stdio.h>
int main()
{
double score[5] = { 0.0 };
int i = 0;
for (i = 0; i < 5; i++)
{
int j = 0;
double sum = 0.0;
for (j = 0; j < 5; j++)
{
scanf("%lf", &score[j]);
printf("%.1lf ", score[j]);
sum += score[j];
}
printf("%.1lf\n", sum);
}
return 0;
}
#include <stdio.h>
int main()
{
double score[5]={0.0};
int i = 0;
while(i<5)
{
int j = 0;
double sum = 0.0;
while(j<5)
{
scanf("%lf",&score[j]);
sum +=score[j];
j++;
}
j = 0;
while(j<5)
{
printf("%.1lf ",score[j]);
j++;
}
printf("%.1lf\n",sum);
i++;
}
return 0;
}
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