課本第291頁第4題 #include<stdio.h>void main() {int n, m, i, k;int p_begin;int arr[100];scanf("%d", &n);for(i = 0; i < n; i ++)scanf("%d", &arr[i]);scanf("%d", &m);p_begin = 0;p_begin = p_begin - m < 0?-(p_begin - m) % n : (p_begin - m) % n;for(i = p_begin, k = 0; k < n; k++){if(i >= n) i = 0;printf("%d ", arr[i++]);} }課本第291頁第11題 #include<stdio.h>void main() {int i = 0;int strcmp(char *, char *);void sort(char *p[], int n);char s[100][100];char *p[10];// input strings for(i = 0; i < 10; i ++)scanf("%s", s[i]);for(i = 0; i < 10; i ++)p[i] = s[i];sort(p ,10);// display outputs on consolefor(i = 0; i < 10; i ++)printf("%s\n", p[i]); }int strcmp(char *s, char *t) {for( ; *s == *t; s++, t++)if(*s == '\0')return 0;return *s - *t; }void sort(char *p[], int n) {char *temp = "hello world!";for(int i = 0; i < n ; i ++)for(int j = 0; j < n - i - 1; j ++)if(strcmp(p[j] , p[j+1]) > 0){temp = p[j];p[j] = p[j+1];p[j+1] = temp;}return; }課本習題 #include<stdio.h> #include<ctype.h>void main() {int i, j;char c;char s[100][100];i = 0;c = 'a';while(c != EOF){while(!isdigit(c = getchar()));j = 0;s[i][j++] = (char)c; // 為了判斷是不是數字要多讀一個。while(isdigit(c = getchar()))s[i][j++] = (char)c;s[i++][j] = '\0';}printf("%d digits\n", i);for(int k = 0; k < i; k ++)printf("%s\n", s[k]); }課本第292頁 18題 #include<stdio.h>void main() {char *p[] = {"January","February","March","April","May","June","July","August","September","October","November","December"};int month;scanf("%d", &month);printf("%s\n", p[month-1]); }

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習題六int strcmp(char *s, char *t) {for( ; *s == *t; s++, t++)if(*s == '\0')return 0;return *s - *t; }習題四#include<stdio.h>void main() {int n, m, i, k;int p_begin;int arr[100];scanf("%d", &n);for(i = 0; i < n; i ++)scanf("%d", &arr[i]);scanf("%d", &m);p_begin = 0;p_begin = p_begin - m < 0?-(p_begin - m) % n : (p_begin - m) % n;for(i = p_begin, k = 0; k < n; k++){if(i >= n) i = 0;printf("%d ", arr[i++]);} } D:\lab_>a 3 1 2 3 1 2 3 1習題三#include<stdio.h>int main() {int arr[10];int m, n, i;int sum = 0;for(i = 0; i < 10; i ++)scanf("%d", arr+i);scanf("%d %d", &m, &n);for(i = m; i <= n; i ++)sum += *(arr+i);printf("sum = %d", sum);return 0; }D:\lab_>a 1 2 3 4 5 6 7 8 9 0 2 3 sum = 7習題七#include<stdio.h> #define MAXSIZE 1000void insert(char *, char *, char c); int length(char *s); char ori_str[MAXSIZE];void main() {char insert_str[MAXSIZE];char c;// inputs gets(ori_str);gets(insert_str);scanf("%c", &c);insert(ori_str, insert_str, c);// outputsprintf("%s", ori_str); }void insert(char s[], char t[], char c) {int k, i, j;int p_last = length(s) + 1;int length_t = length(t);k = 0;//printf("a");while(s[k] != '\0'){if(s[k] == c){for(i = p_last; i >= k+1; i --)s[i+length_t] = s[i];//printf("b");j = 0;for(i = k+1; i <= k+length_t; i ++)s[i] = t[j ++];}k += length_t;} }int length(char *s) {int n;for(n = 0; *s != '\0'; s++, n++);return n; }D:\lab_>a aaaaa d a adadadad

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轉載于:https://www.cnblogs.com/xkxf/p/6159538.html

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