Compilare: main.cpp: In function 'int main()': main.cpp:33:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation] for ( i = 1; i <= p; ++i) ^~~ main.cpp:35:9: note: ...this statement, but the latter is misleadingly indented as if it is guarded by the 'for' return 0; ^~~~~~ main.cpp:16:26: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%lld",&p); ^ main.cpp:19:33: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf(fin,"%lld",&a[i]); ^