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题目链接：习题11-6 查找子串 (20 分)#include <stdio.h>#define MAXS 30char *search(char *s, char *t);void ReadString( char s[] ); /* 裁判提供，细节不表 */int main(){ char s[MAXS], t[MAXS], *pos; ReadString(s); ReadString(t); pos = search(s, t);

题目链接：习题11-5 指定位置输出字符串 (20 分)#include <stdio.h>#define MAXS 10char *match( char *s, char ch1, char ch2 );int main(){ char str[MAXS], ch_start, ch_end, *p; scanf("%s\n", str); scanf("%c %c", &ch_start, &ch_end); p = ma

题目链接：习题11-4 字符串的连接 (15 分)#include <stdio.h>#include <string.h>#define MAXS 10char *str_cat( char *s, char *t );int main(){ char *p; char str1[MAXS+MAXS] = {'\0'}, str2[MAXS] = {'\0'}; scanf("%s%s", str1, str2); p = st

题目链接：习题11-3 计算最长的字符串长度 (15 分)#include <stdio.h>#include <string.h>#include <stdlib.h>#define MAXN 10#define MAXS 20int max_len( char *s[], int n );int main(){ int i, n; char *string[MAXN] = {NULL}; scanf("%d", &am

题目链接：习题9-5 通讯录排序 (20 分)#include<stdio.h>struct ren{ char name[20]; int birthday; char s[25];}REN[10],t;int main(){ int n,i,j; scanf("%d",&n); for(i=0;i<n;i++){ scanf("%s %d",&REN[i].name,&REN[i].birthday); gets(REN[i].s);

题目链接：习题9-4 查找书籍 (20 分)#include<stdio.h>struct book{ char name[31]; double price;}BOOK[10];int main(){ int n,i,u,l; char c; scanf("%d",&n); u=l=0; for(i=0;i<n;i++){ scanf("%c",&c); gets(BOOK[i].name); scanf("%lf",&BOO

题目链接：习题9-3 平面向量加法 (15 分)#include<stdio.h>#include<math.h>struct xiangliang{ double x1; double x2;};int main(){ struct xiangliang v1,v2,v; scanf("%lf %lf %lf %lf",&v1.x1,&v1.x2,&v2.x1,&v2.x2); v.x1=v1.x1+v2.x1; v.x2=

题目链接：习题5-5 使用函数统计指定数字的个数 (15 分)#include <stdio.h>int CountDigit( int number, int digit );int main(){ int number, digit; scanf("%d %d", &number, &digit); printf("Number of digit %d in %d: %d\n", digit, number, CountDigit(nu

题目链接：习题5-4 使用函数求素数和 (20 分)#include <stdio.h>#include <math.h>int prime( int p );int PrimeSum( int m, int n );int main(){ int m, n, p; scanf("%d %d", &m, &n); printf("Sum of ( "); for( p=m; p<=n; p++ ) {

题目链接：习题5-3 使用函数计算两点间的距离 (10 分)#include <stdio.h>#include <math.h>double dist( double x1, double y1, double x2, double y2 );int main(){ double x1, y1, x2, y2; scanf("%lf %lf %lf %lf", &x1, &y1, &x2, &y2);

题目链接：习题11-2 查找星期 (15 分)#include <stdio.h>#include <string.h>#define MAXS 80int getindex( char *s );int main(){ int n; char s[MAXS]; scanf("%s", s); n = getindex(s); if ( n==-1 ) printf("wrong input!\n"); else

题目链接：习题11-1 输出月份英文名 (15 分)#include <stdio.h>char *getmonth( int n );int main(){ int n; char *s; scanf("%d", &n); s = getmonth(n); if ( s==NULL ) printf("wrong input!\n"); else printf("%s\n", s); return 0;}/

题目链接：习题10-8 递归实现顺序输出整数 (15 分)#include <stdio.h>void printdigits( int n );int main(){ int n; scanf("%d", &n); printdigits(n); return 0;}/* 你的代码将被嵌在这里 */void printdigits(int n){ int i; if(n==0){ printf("0"); } if(

题目链接：习题10-7 十进制转换二进制 (15 分)#include <stdio.h>void dectobin( int n );int main(){ int n; scanf("%d", &n); dectobin(n); return 0;}/* 你的代码将被嵌在这里 */void dectobin(int n){ if(n==0){ printf("0"); } else if(n==1){ print

题目链接：习题10-6 递归求Fabonacci数列 (10 分)#include <stdio.h>int f( int n );int main(){ int n; scanf("%d", &n); printf("%d\n", f(n)); return 0;}/* 你的代码将被嵌在这里 */int f(int n){ if(n==0){ return 0; }else if(n==1){ return 1;

题目链接：习题10-5 递归计算Ackermenn函数 (15 分)#include <stdio.h>int Ack( int m, int n );int main(){ int m, n; scanf("%d %d", &m, &n); printf("%d\n", Ack(m, n)); return 0;}/* 你的代码将被嵌在这里 */int Ack(int m,int n){ if(m==0){ ret

题目链接：习题10-4 递归求简单交错幂级数的部分和 (15 分)#include <stdio.h>double fn( double x, int n );int main(){ double x; int n; scanf("%lf %d", &x, &n); printf("%.2f\n", fn(x,n)); return 0;}/* 你的代码将被嵌在这里 */double fn(double x,int

题目链接：习题10-3 递归实现指数函数 (15 分)#include <stdio.h>double calc_pow( double x, int n );int main(){ double x; int n; scanf("%lf %d", &x, &n); printf("%.0f\n", calc_pow(x, n)); return 0;}/* 你的代码将被嵌在这里 */double calc_pow

题目链接：习题10-2 递归求阶乘和 (15 分)#include <stdio.h>double fact( int n );double factsum( int n );int main(){ int n; scanf("%d",&n); printf("fact(%d) = %.0f\n", n, fact(n)); printf("sum = %.0f\n", factsum(n)); return 0;}/*

题目链接：习题10-1 判断满足条件的三位数 (15分)#include <stdio.h>#include <math.h>int search( int n );int main(){ int number; scanf("%d",&number); printf("count=%d\n",search(number)); return 0;}/* 你的代码将被嵌在这里 */...

题目链接：习题9-6 按等级统计学生成绩 (20分)#include <stdio.h>#define MAXN 10struct student{ int num; char name[20]; int score; char grade;};int set_grade( struct student *p, int n );int main(){ struct student stu[MAXN], *ptr; int n, i

题目链接：习题9-2 计算两个复数之积 (15分)#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.ima

题目链接：习题9-1 时间换算 (15分)#include<stdio.h>int main(){ int h,m,s,n; scanf("%d:%d:%d",&h,&m,&s); scanf("%d",&n); if(s+n>=60){ m++; s=s+n-60; }else{ s+=n; } if(m==60){ m=0; h++; } if(h==24){ h=0; } printf("%02d:

题目链接：习题8-10 输出学生成绩 (20分)#include<stdio.h>#include<stdlib.h>int main(){ double a,u,l,*p; int n,i; scanf("%d",&n); if((p=(double *)calloc(n,sizeof(double)))==NULL){ exit(1); } u=0; l=100; for(i=0;i<n;i++){ scanf("%lf",p+i)

题目链接：习题8-9 分类统计各类字符个数 (15分)#include <stdio.h>#define MAXS 15void StringCount( char *s );void ReadString( char *s ); /* 由裁判实现，略去不表 */int main(){ char s[MAXS]; //ReadString(s); gets(s); StringCount(s); return 0;}/* You

题目链接：习题8-8 判断回文字符串 (20分)#include <stdio.h>#include <string.h>#define MAXN 20//typedef enum {false, true} bool;bool palindrome( char *s );int main(){ char s[MAXN]; scanf("%s", s); if ( palindrome(s)==true ) printf

题目链接：习题8-7 字符串排序 (20分)#include<stdio.h>#include<string.h>int main(){ char a[5][80]={NULL},t[80]={NULL}; int i,j; for(i=0;i<5;i++){ scanf("%s",a[i]); } for(i=0;i<5;i++){ for(j=0;j<5-i;j++){ if(strcmp(a[j],a[j+1])>0){

题目链接：习题8-4 报数 (20分)#include <stdio.h>#define MAXN 20void CountOff( int n, int m, int out[] );int main(){ int out[MAXN], n, m; int i; scanf("%d %d", &n, &m); CountOff( n, m, out ); for ( i = 0; i < n; i++ )

题目链接：习题8-6 删除字符 (20分)#include <stdio.h>#define MAXN 20void delchar( char *str, char c );void ReadString( char s[] ); /* 由裁判实现，略去不表 */int main(){ char str[MAXN], c; scanf("%c\n", &c); gets(str); //ReadString(str); del

题目链接：习题8-5 使用函数实现字符串部分复制 (20分)#include <stdio.h>#define MAXN 20void strmcpy( char *t, int m, char *s );void ReadString( char s[] ); /* 由裁判实现，略去不表 */int main(){ char t[MAXN], s[MAXN]; int m; scanf("%d\n", &m); //ReadStrin

题目链接:习题8-3 数组循环右移 (20分)#include <stdio.h>#define MAXN 10int ArrayShift( int a[], int n, int m );int main(){ int a[MAXN], n, m; int i; scanf("%d %d", &n, &m); for ( i = 0; i < n; i++ ) scanf("%d", &a[i]); A

题目链接：习题8-2 在数组中查找指定元素 (15分)#include <stdio.h>#define MAXN 10int search( int list[], int n, int x );int main(){ int i, index, n, x; int a[MAXN]; scanf("%d", &n); for( i = 0; i < n; i++ ) scanf("%d", &a[i]);

题目链接：习题8-1 拆分实数的整数与小数部分 (15分)#include <stdio.h>void splitfloat( float x, int *intpart, float *fracpart );int main(){ float x, fracpart; int intpart; scanf("%f", &x); splitfloat(x, &intpart, &fracpart); printf("

题目链接：习题7-8 字符串转换成十进制整数 (15分)#include<stdio.h>int main(){ int i,k,f=0; char a[80],str[80]; long number; i=0; while((str[i]=getchar())!='#'){ i++; } str[i]='\0'; k=0; for(i=1;str[i]!='\0';i++){ if(k==0&&str[i]=='-'){ f=1;

题目链接：习题7-7 字符串替换 (15分)#include <stdio.h> //英文辅音字母是除A、E、I、O、U以外的字母。本题要求编写程序，统计给定字符串中大写辅音字母的个数。int main() { //输入在一行中给出一个不超过80个字符、并以回车结束的字符串。 char a[80]; int d,i,j,k; i=0; while((d=getchar())!='\n'){ a[i]=(char)d; i++; } a[i]='\0';

题目链接：习题7-6 统计大写辅音字母 (15分)#include <stdio.h> //英文辅音字母是除A、E、I、O、U以外的字母。本题要求编写程序，统计给定字符串中大写辅音字母的个数。int main() { //输入在一行中给出一个不超过80个字符、并以回车结束的字符串。 char a[80]; int d,i,j,k; i=0; while((d=getchar())!='\n'){ a[i]=(char)d; i++; } a[i]='\0'

题目链接：习题7-5 找鞍点 (20分)#include<stdio.h>int main(){ int a[10][10],n,min,i,j,k,f,x,y; scanf("%d",&n); for(i=0;i<n;i++){ for(j=0;j<n;j++){ scanf("%d",&a[i][j]); } } for(i=0;i<n;i++){ min=a[i][0]; x=i; y=0; f=1; fo

题目链接：习题7-4 求矩阵各行元素之和 (15分)#include<stdio.h>int main(){ int a[6][6],n,m,i,j,b[6]; scanf("%d %d",&m,&n); for(i=0;i<6;i++){ b[i]=0; } for(i=0;i<m;i++){ for(j=0;j<n;j++){ scanf("%d",&a[i][j]); b[i]+=a[i][j]; } }

题目链接：习题6-8 统计一行文本的单词个数 (15分)#include<stdio.h>#include<string.h>int main(){ int n=0,i,j; char a[1000]; gets(a); i=strlen(a); for(j=0;j<i;j++){ if(a[j]!=' '&&a[j+1]==' '){ n++; }else if(a[j]!=' '&&a[j+1]=='\0')

题目链接：习题7-3 判断上三角矩阵 (15分)#include<stdio.h>int main(){ int a[10][10],n,m,i,j,k,f=1; scanf("%d",&n); int b[100]={0}; for(k=0;k<n;k++){ scanf("%d",&m); for(i=0;i<m;i++){ for(j=0;j<m;j++){ scanf("%d",&a[i][j]); }