Compilare: main.cpp: In function 'int main()': main.cpp:23:41: warning: suggest parentheses around '-' inside '<<' [-Wparentheses] d[i][p]=min(d[i][p-1], d[i+(1<<p-1)][p-1]); ~^~ main.cpp:32:6: warning: statement has no effect [-Wunused-value] for(m;m>0;m--){ ^ main.cpp:14:27: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d", &n, &m); ^ main.cpp:16:28: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d", &v[i]); ^ main.cpp:33:31: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%d%d", &i, &j); ^