Compilare: user.cpp: In function ‘int main()’: user.cpp:11:26: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘int8_t* {aka signed char*}’ [-Wformat=] fscanf(f,"%d%d",&m,&n); ^ user.cpp:11:26: warning: format ‘%d’ expects argument of type ‘int*’, but argument 4 has type ‘int8_t* {aka signed char*}’ [-Wformat=] user.cpp:16:37: warning: format ‘%d’ expects argument of type ‘int*’, but argument 3 has type ‘int8_t* {aka signed char*}’ [-Wformat=] fscanf(f,"%d",&mat[i][j]); ^ user.cpp:17:24: warning: overflow in implicit constant conversion [-Woverflow] cost[i][j] = 9999; ^ user.cpp:11:27: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d",&m,&n); ^ user.cpp:16:38: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&mat[i][j]); ^