C language-two-dimensional array, string array, multi-dimensional array

<喎?http: www.bkjia.com kf ware vc " target="_blank" class="keylink"> VcD4KPHA + PGJyPgo8L3A + CjxwPjxwcmUgY2xhc3M9 "brush: java;"> # import Int main (int argc, const char * argv []) {// int a [2] [3] = {// {, 3, 6} //}; // int a [2] [3] = {1, 2, 3, 4, 5, 6 }; //// print a single element // printf ("% d", a [1] [1]); // The element is not fully assigned, the default value is 0 // int B [2] [3] = {1, 2, 3}, {4 }}; //////// 3 rows and 4 columns of floating point data // float c [3] [4] ={// {2.5}, // {3.3 }, // {2.1, 4.8} //}; // for (int I = 0; I <3; I ++) {// for (int j = 0; j <4; j ++) {# pragma mark ---------------------- % g scientific notation, retain the decimal number, remove the // % g scientific notation after 0, retain the decimal number, remove // printf ("% g", c [I] [j]) after 0; //} // printf ("\ n "); //}// define an integer with three rows and four columns. The random range is 0-30. // int a [3] [4] = {0 }; // for (int I = 0; I <3; I ++) {// for (int j = 0; j <4; j ++) {// a [I] [j] = arc4random () % (30 + 1); // printf ("% 2d", a [I] [j]); /// printf ("\ n"); //} // exchange rows and columns, put it in a new array // int B [4] [3] = {0}; // for (int I = 0; I <3; I ++) {// for (int j = 0; j <4; j ++) {// B [j] [I] = a [I] [j]; //} // printf ("\ n"); // for (int I = 0; I <4; I ++) {// for (int j = 0; j <3; j ++) {// printf ("%-2d", B [I] [j]); //} // printf ("\ n"); // find the maximum element, and input rows and columns // int max = 0; // for (int I = 0; I <3; I ++) {// for (int j = 0; j <4; j ++) {// if (max0) {// if the j-th string is greater than the j + 1 character string // char temp [20] = {0 }; // define a temporary string to exchange values // strcpy (temp, str [j]); // strcpy (str [j], str [j + 1]); // strcpy (str [j + 1], temp); //} // printf ("\ n "); // for (int I = 0; I <6; I ++) {// printf ("% s", str [I]); // if (maxLength = strlen (str [I]) {// printf ("the longest word is % s, and the length is % lu", str [I], maxLength); //} // 1. swap the rows and columns of a two-dimensional array into a new array. // int a [2] [3] ={// {, 9 }, // {3, 2, 8} //}; // int B [3] [2] = {0}; // for (int I = 0; I <2; I ++) {// for (int j = 0; j <3; j ++) {// B [j] [I] = a [I] [j]; //} // for (int I = 0; I <3; I ++) {// for (int j = 0; j <2; j ++) {// printf ("% d ", B [I] [j]); //} // printf ("\ n"); //} // 2. there is a two-dimensional array of three rows and four columns. Find the maximum value and write the row and column // int a [3] [4] ={// {, 4 }, // {,}, // {,}, // int max = 0; // for (int I = 0; I <3; I ++) {// for (int j = 0; j <4; j ++) {// if (max0) {// strcpy (temp, str [j]); // strcpy (str [j], str [j + 1]); // strcpy (str [j + 1], temp ); ///} // for (int I = 0; I <10; I ++) {// printf ("% s ", str [I]); // converts all characters to uppercase, And the AC code to uppercase: A65, a97, minus 32 return 0 ;}