Compilare: main.cpp: In function 'int main()': main.cpp:45:30: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &n, &d); ^ main.cpp:47:42: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &v[i].t, &v[i].p); ^ main.cpp: In function 'int cautbin(int, int, int)': main.cpp:38:10: warning: 'ans' may be used uninitialized in this function [-Wmaybe-uninitialized] return ans; ^~~ main.cpp: In function 'int main()': main.cpp:64:21: warning: 'ans' may be used uninitialized in this function [-Wmaybe-uninitialized] nxt[ans]=nxt[ans+1]; ~~~^~