Compilare: main.cpp: In function 'int main()': main.cpp:98:25: warning: unused variable 'nod' [-Wunused-variable] int q , i , l , r , nod , j , vecin , maxi , fth , inc = 0 , val; ^~~ main.cpp:98:35: warning: unused variable 'vecin' [-Wunused-variable] int q , i , l , r , nod , j , vecin , maxi , fth , inc = 0 , val; ^~~~~ main.cpp:99:10: warning: unused variable 'c' [-Wunused-variable] char c; ^ main.cpp:173:9: warning: unused variable 'correct' [-Wunused-variable] int correct , mini = DIMN , li , ri; ^~~~~~~ main.cpp:173:19: warning: unused variable 'mini' [-Wunused-variable] int correct , mini = DIMN , li , ri; ^~~~ main.cpp:100:27: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%d\n",&n); ^ main.cpp:101:27: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf (fin,"%s",vi+1); ^ main.cpp:169:37: warning: ignoring return value of 'size_t fread(void*, size_t, size_t, FILE*)', declared with attribute warn_unused_result [-Wunused-result] fread (buff , 1 , 8000000 , fin); ^ main.cpp:225:13: warning: 'ant' may be used uninitialized in this function [-Wmaybe-uninitialized] if (ant) ^~