Compilare: main.cpp: In function 'int main()': main.cpp:22:32: warning: unused variable 'curr' [-Wunused-variable] int j = i, ct = 0, curr ; ^~~~ main.cpp:29:32: warning: unused variable 'curr' [-Wunused-variable] int j = k, ct = 0, curr ; ^~~~ main.cpp:12:32: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf ( pFile, "%d", &N ) ; ^ main.cpp:14:39: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf ( pFile, "%d", &a[i] ) ; ^