Compilare: main.cpp: In function 'int main()': main.cpp:14:32: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(citire, "%d%d", &N, &M); ^ main.cpp:19:55: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(citire, "%d%d%d%d", &x, &y, &salt, &greutate); ^