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Hello guys, How can I read and write in the same file? I want to open a file that exists and write something in the end of each line of the file.. Ex: My_file: a b c d e f g h i I want to alter to: a b …

Hello guys.. I´m trying to do something like the code below .. [code=c] struct node{ int a; char *s; }; void main() { node *x; int sMAX = 3; int nodeMAX = 10; x = (node*)malloc((sizeof(int)+sizeof(char)*sMAX)*nodeMAX); ... } [/code] in other words I want to alloc dynamically the number of …

How can I declarate a matrix of strings? if I write something like the line below, my code do not compile string a[MAX][MAX]; someone can give me a solution? thanks

How can I change a character of a string within an array of strings? An execution error happens if I run the code below.. [code=c] int main(int argc, char *argv[]) { char *d[] = {"aaaa","bbbb","cccc"}; cout << d[2] << endl; //PRINT cccc d[2][2] = 'x'; cout << d[2] << endl; …