Compilare: main.cpp: In function 'bool check(int)': main.cpp:29:15: warning: unused variable 'laptepos' [-Wunused-variable] int laptepos=d[i-1][j-k]+(t-om[i].la*k)/om[i].lb; ^~~~~~~~ main.cpp: In function 'int main()': main.cpp:63:29: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d",&n,&l); ^ main.cpp:65:45: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d",&om[i].la,&om[i].lb); ^