Compilare: main.cpp: In function 'int main()': main.cpp:26:24: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d",&t); ^ main.cpp:30:34: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d",&n,&p1); ^ main.cpp:72:20: warning: iteration 10000005 invokes undefined behavior [-Waggressive-loop-optimizations] a[j].ok=0; ~~~~~~~^~ main.cpp:71:23: note: within this loop for(int j=0; j<=NMAX; ++j) ^