Compilare: main.cpp: In function 'int main()': main.cpp:8:21: warning: unused variable 'c' [-Wunused-variable] int n, m, i, j, c = 0, x, mx, d, pos, p, l, k; ^ main.cpp:8:38: warning: unused variable 'pos' [-Wunused-variable] int n, m, i, j, c = 0, x, mx, d, pos, p, l, k; ^~~ main.cpp:11:28: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d", &n ); ^