Compilare: main.c: In function 'main': main.c:25:3: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d%d", &t, &n ); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:28:5: warning: ignoring return value of 'fscanf', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d%d", &x, &k ); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ main.c:21:13: warning: iteration 998 invokes undefined behavior [-Waggressive-loop-optimizations] if( ciur[i] == 0 ) ~~~~^~~ main.c:20:3: note: within this loop for( i = 2; i <= N; i++ ) ^~~