{"id":13647,"date":"2022-10-04T20:32:14","date_gmt":"2022-10-04T15:02:14","guid":{"rendered":"https:\/\/jassweb.com\/solved\/solved-matrix-sorting-in-c\/"},"modified":"2022-10-04T20:32:14","modified_gmt":"2022-10-04T15:02:14","slug":"solved-matrix-sorting-in-c","status":"publish","type":"post","link":"https:\/\/jassweb.com\/solved\/solved-matrix-sorting-in-c\/","title":{"rendered":"[Solved] Matrix sorting in C"},"content":{"rendered":"<p> [ad_1]<br \/>\n<\/p>\n<div id=\"answer-33383535\" class=\"answer js-answer accepted-answer js-accepted-answer\" data-answerid=\"33383535\" data-parentid=\"33359323\" data-score=\"0\" data-position-on-page=\"2\" data-highest-scored=\"1\" data-question-has-accepted-highest-score=\"1\" itemprop=\"acceptedAnswer\" itemscope itemtype=\"https:\/\/schema.org\/Answer\">\n<div class=\"post-layout\">\n<div class=\"votecell post-layout--left\"><\/div>\n<div class=\"answercell post-layout--right\">\n<div class=\"s-prose js-post-body\" itemprop=\"text\">\n<pre><code>#include &lt;stdio.h&gt;\n#include &lt;stdlib.h&gt;\n\ntypedef int(*comparer) (int a, int b);\n\nint compareasc ( const void *pa, const void *pb ) {\n    const int *a = *(const int **)pa;\n    const int *b = *(const int **)pb;\n    if(a[0] == b[0])\n        return a[1] - b[1];\n    else\n        return a[0] - b[0];\n}\nint comparedsc ( const void *pa, const void *pb ) {\n    const int *a = *(const int **)pa;\n    const int *b = *(const int **)pb;\n    if(a[2] == b[2])\n        return b[1] - a[1];\n    else\n        return b[2] - a[2];\n}\n\nint main(void){\n    int **array,**array2;\n  \/\/  int 8 = 10;\n    \/\/int i;\n    int pid[8],priority[8],arrival[8];\n    FILE *fp;\n    char buff[255];\n    fp = fopen(\"process.rtf\",\"r\");\n    if(fp ==NULL)\n      perror(\"File not found\");\n    else{\n        int i =0;\n        while(fgets(buff,100,fp)!=NULL){\n          sscanf(buff,\"%d  %d  %d\",&amp;pid[i],&amp;arrival[i],&amp;priority[i]);\n          i++;\n          }\n        fclose(fp);\n        }\n    for(int i=0;i&lt;8;i++){\n      pid[i] = pid[i+1];\n      priority[i]=priority[i+1];\n      arrival[i] = arrival[i+1];\n    }\n    \/*\n    * Sorting the dataset in Ascending order based on the Arrival time\n    *\/\n    array = malloc(8 * sizeof(int*));\n    for (int i = 0; i &lt; 8; i++){\n        array[i] = malloc(2 * sizeof(int));\n        array[i][0] = pid[i];\n        array[i][1] = arrival[i];\n        array[i][2] = priority[i];\n    }\n    printf(\"The original dataset\\n\");\n    for(int i = 0;i &lt; 7;++i)\n        printf(\"%2d %2d %2d\\n\", array[i][0], array[i][1],array[i][2]);\n\n    printf(\"\\n\");\n\n    printf(\"Dataset sorted based on the arrival in ascending order:\\n\");\n    qsort(array, 8, sizeof array[2], compareasc);\n\n    for(int i = 1;i &lt; 8;++i)\n        printf(\"%2d %2d %2d\\n\", array[i][0], array[i][1],array[i][2]);\n\n      \/*--------------------------------------------------*\/\n      \/*\n      * Sorting the dataset in Desceding order based on the priority\n      *\/\n      printf(\"\\n\");\n      array2 = malloc(8 * sizeof(int*));\n      for (int i = 0; i &lt; 8; i++){\n          array2[i] = malloc(2 * sizeof(int));\n          array2[i][0] = pid[i];\n          array2[i][1] = arrival[i];\n          array2[i][2] = priority[i];\n      }\n      printf(\"Original Dataset:\\n\");\n      for(int i = 0;i &lt; 7;++i)\n          printf(\"%2d %2d %2d\\n\", array2[i][0], array2[i][1],array2[i][2]);\n\n      printf(\"\\n\");\n      printf(\"Dataset sorted based on priority in descending order:\\n\");\n      qsort(array2, 8, sizeof array2[2], comparedsc);\n\n      for(int i = 1;i &lt; 8;++i)\n          printf(\"%2d %2d %2d\\n\", array2[i][0], array2[i][1],array2[i][2]);\n\n    return 0;\n}\n<\/code><\/pre>\n<\/p><\/div>\n<div class=\"mt24\"><\/div>\n<\/div>\n<p>            <span class=\"d-none\" itemprop=\"commentCount\">1<\/span> <\/p><\/div>\n<\/div>\n<p>[ad_2]<\/p>\n<p>solved Matrix sorting in C <\/p>\n","protected":false},"excerpt":{"rendered":"<p>[ad_1] #include &lt;stdio.h&gt; #include &lt;stdlib.h&gt; typedef int(*comparer) (int a, int b); int compareasc ( const void *pa, const void *pb ) { const int *a = *(const int **)pa; const int *b = *(const int **)pb; if(a[0] == b[0]) return a[1] &#8211; b[1]; else return a[0] &#8211; b[0]; } int comparedsc ( const void *pa, &#8230; <a title=\"[Solved] Matrix sorting in C\" class=\"read-more\" href=\"https:\/\/jassweb.com\/solved\/solved-matrix-sorting-in-c\/\" aria-label=\"More on [Solved] Matrix sorting in C\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[320],"tags":[324,3635,1331,561],"class_list":["post-13647","post","type-post","status-publish","format-standard","hentry","category-solved","tag-c","tag-columnsorting","tag-matrix","tag-sorting"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>[Solved] Matrix sorting in C - JassWeb<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/jassweb.com\/solved\/solved-matrix-sorting-in-c\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"[Solved] Matrix sorting in C - JassWeb\" \/>\n<meta property=\"og:description\" content=\"[ad_1] #include &lt;stdio.h&gt; #include &lt;stdlib.h&gt; typedef int(*comparer) (int a, int b); int compareasc ( const void *pa, const void *pb ) { const int *a = *(const int **)pa; const int *b = *(const int **)pb; if(a[0] == b[0]) return a[1] - b[1]; else return a[0] - b[0]; } int comparedsc ( const void *pa, ... 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