c语言中二维数组转一维竖着输出 C语言设计程序二维数组变一维怎么变
C\u8bed\u8a00\u4e2d\u5982\u4f55\u628a\u4e8c\u7ef4\u6570\u7ec4\u6309\u5217\u7528\u4e00\u7ef4\u6570\u7ec4\u8f93\u51fa\u6765\u6309\u5217\u904d\u5386,\u5e76\u8f93\u51fa\u5230\u4e00\u7ef4\u6570\u7ec4\u5373\u53ef.
void covert(int a[M][N], b[M*N]){ int i,j,n; for(i = n = 0; i < N; i++) { for(j = 0; j < M; j ++) { b[n++] = a[j][i]; } }}
\u63d0\u4f9b\u4e00\u4e2a\u6700\u7b80\u5355\u7684\u529e\u6cd5\uff1a\u8bbe\u539f\u4e8c\u7ef4\u6570\u7ec4\u662fint a[N][M];\uff0c\u518d\u58f0\u660e\u4e00\u4e2a\u4e0ea\u7684\u5143\u7d20\u7c7b\u578b\u517c\u5bb9\u7684\u6307\u9488\uff0c\u5982int *p;\uff0c\u7136\u540e\u5c06a\u5f3a\u5236\u4e3a(int *)\u578b\u8d4b\u7ed9p\uff0c\u5373p=(int *)a;\u3002\u8fd9\u6837\u64cd\u4f5c\u540e\uff0c\u7528a\u4ecd\u7136\u5bf9\u539f\u6570\u7ec4\u80fd\u8fdb\u884c\u4e8c\u7ef4\u6570\u7ec4\u64cd\u4f5c\uff0c\u800c\u7528p\u5c31\u53ef\u6309\u4e00\u7ef4\u6570\u7ec4\u5bf9\u539f\u6570\u7ec4\u8fdb\u884c\u64cd\u4f5c\u4e86(\u76f8\u5f53\u4e8e\u5c06\u4e8c\u7ef4\u6570\u7ec4\u53d8\u6210\u4e86\u4e00\u7ef4\u6570\u7ec4p)\u3002\u9a8c\u8bc1\u4ee3\u7801\u5982\u4e0b\uff1a
#include "stdio.h"#define N 3#define M 4int main(int argc,char *argv[]){int a[N][M]={{1,2,3,4},{5,6,7,8},{9,10,11,12}},i,j,*p;p=(int *)a;//\u5c06\u4e8c\u7ef4\u6570\u7ec4a\u53d8\u6210\u4e00\u7ef4\u6570\u7ec4pfor(i=0;i<N;i++){for(j=0;j<M;printf("%3d",a[i][j++]));//\u7528\u6570\u7ec4\u540da\u4ecd\u7136\u6309\u4e8c\u7ef4\u6570\u7ec4\u64cd\u4f5cprintf("\n");}printf("\n");for(j=M*N,i=0;i<j;printf("%3d",p[i++]));//\u7528p\u5219\u6309\u4e00\u7ef4\u6570\u7ec4\u64cd\u4f5cprintf("\n");return 0;}\u8fd0\u884c\u7ed3\u679c\u5982\u4e0b\u56fe\uff1a
绛旓細include "stdio.h" main() { int a99[9][9],i,j; for(i=0; i <9; i++) //i = 0 for(j=0; j<=i; j++) a99[i][j]=i*j; //j = 0 for(i=0; i<9; i++) //i = 0 { for(j=0;j<=i;j++) printf("m",a99[i][j]); //j = 0 printf("\n");...
绛旓細鎻愪緵涓涓渶绠鍗曠殑鍔炴硶锛氳鍘浜岀淮鏁扮粍鏄痠nt a[N][M];锛屽啀澹版槑涓涓笌a鐨勫厓绱犵被鍨嬪吋瀹圭殑鎸囬拡锛屽int *p;锛岀劧鍚庡皢a寮哄埗涓(int *)鍨嬭祴缁檖锛屽嵆p=(int *)a;銆傝繖鏍锋搷浣滃悗锛岀敤a浠嶇劧瀵瑰師鏁扮粍鑳借繘琛屼簩缁存暟缁勬搷浣滐紝鑰岀敤p灏卞彲鎸涓缁存暟缁瀵瑰師鏁扮粍杩涜鎿嶄綔浜(鐩稿綋浜庡皢浜岀淮鏁扮粍鍙樻垚浜嗕竴缁存暟缁刾)銆傞獙璇佷唬鐮...
绛旓細ch鏄浜岀淮鏁扮粍 ch[0] ch[1] ch[2]瀵瑰簲涓変釜涓缁磋緭鍑 鎵浠 杈撳嚭ch[1]灏辨槸绗簩涓瓧绗︿覆锛孊BB 鑰宲rintf閲岄潰鐨\"涓哄弻寮曞彿杞箟锛岃緭鍑"浜庢槸鏁翠綋杈撳嚭涓 "BBB"<CR> 鍏朵腑<CR>涓烘崲琛岀
绛旓細void main(){ int a[3][2]={1,2,3,4,5,6};int b[3],i;scanf("%d",&l);//杈撳叆瑕佸彇鐨勫垪鍙 for(i=0;i<3;i++)b[i]=a[i][l];}
绛旓細瀵逛簩缁存暟缁勭敤涓ゆ寰幆锛屽皢鍏惰祴鍊煎埌涓缁存暟缁勫氨澶熶簡銆備妇涓緥瀛愶紝浜岀淮鏁扮粍a[N][M]锛屼竴缁存暟缁刡[]缂栧啓涓诲嚱鏁伴儴鍒嗭細int i,j,k=0;for(i=0;i<N;i++)for(j=0;j<M;j++)b[k++]=a[i][j];
绛旓細鎸夊垪閬嶅巻,骞杈撳嚭鍒涓缁存暟缁鍗冲彲.void covert(int a[M][N], b[M*N]){ int i,j,n; for(i = n = 0; i < N; i++) { for(j = 0; j < M; j ++) { b[n++] = a[j][i]; } }}
绛旓細鍙互鐢╩emcpy鐨勬柟寮忥紝鐩存帴涓娆℃ц祴鍊笺傚涓缁存暟缁涓篴锛浜岀淮鏁扮粍涓篵锛屽熀纭绫诲瀷涓篢YPE锛岄渶璧嬪煎厓绱犱釜鏁颁负n锛屽彲浠ヨ皟鐢 memcpy(b,a,sizeof(TYPE)*n);璇ユ柟娉曟湁鐐逛负鎿嶄綔绠鍗曪紝鎵ц鏁堢巼楂樸備笉杩囨墍闇婊¤冻鐨勫墠鎻愭潯浠跺銆傚湪婊¤冻涓婅堪鎵鏈夋潯浠舵椂锛岀敤memcpy鐨勬柟寮忔洿涓虹畝鍗曘
绛旓細int main(){ //杩欐槸涓涓浜岀淮鏁扮粍 int arr[2][3] = { {1,2,3},{4,5,6} };//鑾峰彇鏁扮粍鐨勫昂瀵稿拰琛屽垪鏁帮細int len = sizeof(arr) / sizeof(arr[0][0]);int row = sizeof(arr) / sizeof(arr[0]);int column = len / row;//鐭ラ亾浜嗛暱搴﹀氨鍙互浣跨敤calloc鍒涘缓涓涓粰瀹氶暱搴︾殑...
绛旓細int a[3][3];int temp,i,j;//杈撳叆 printf("璇疯緭鍏ヤ竴涓3*3鐨勭煩闃碉紝鍥炶溅閿崲琛岋細\n");for(i=0;i<3;i++){ for(j=0;j<3;j++){ scanf("%d",&a[i][j]);} getchar();} //杞疆 for(i=0;i<3;i++){ for(j=i+1;j<3;j++){ temp=a[i][j];a[i][j]=a[j][...
绛旓細浜岀淮鏁版嵁鍙涓缁存暟缁锛屼綘杩欑▼搴忓簲璇杈撳嚭浜2娆★紝鑰屼笖涓诲嚱鏁拌緭鍑烘í鍚戠殑灏辨槸33 33 33 33 44 44 44 44 55 55 55 55 涓嶆槸鎯宠鐨勬晥鏋滃憖 鎶婃暟缁勪笅鏍囧掕繃鏉ュ啓灏卞彲浠ヤ簡 浣犺繖涓畬鍏ㄦ妸鏁扮粍缁撴瀯涓殑鍓嶅悗鍧愭爣鎼炲弽浜嗭紝鏀瑰洖鏉ュ氨鍙互浜嗭紒
