Compilare: main.cpp: In function 'int main()': main.cpp:25:30: warning: too many arguments for format [-Wformat-extra-args] fscanf(in, "%d", &a, &b, &d); ^ main.cpp:23:22: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &t); ^ main.cpp:25:31: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &a, &b, &d); ^