Compilare: main.cpp: In function 'int main()': main.cpp:44:34: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'int_fast32_t* {aka long int*}' [-Wformat=] fscanf(fin, "%d %d\n", &n, &k); ^ main.cpp:44:34: warning: format '%d' expects argument of type 'int*', but argument 4 has type 'int_fast32_t* {aka long int*}' [-Wformat=] main.cpp:48:45: warning: format '%d' expects argument of type 'int*', but argument 3 has type 'int_fast32_t* {aka long int*}' [-Wformat=] fscanf(fin, "%d ", &matrix[i][j]); ^ main.cpp:44:35: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d %d\n", &n, &k); ^ main.cpp:48:46: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d ", &matrix[i][j]); ^