Compilare: main.cpp: In function 'int main()': main.cpp:55:16: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for(w=j;w<=n;w++) ^~~ main.cpp:58:17: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' j2=w; ^~ main.cpp:22:23: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d%d",&p,&n); ^ main.cpp:26:22: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%d",&x); ^