Compilare: main.cpp: In function 'int main()': main.cpp:51:3: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(i=1;i<=n;i++) ^~~ main.cpp:54:5: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' fclose(f); ^~~~~~ main.cpp:12:17: warning: unused variable 'j' [-Wunused-variable] int r = 0, s, j; ^ main.cpp:11:33: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d %d",&n, &d); ^