Compilare: main.cpp: In function 'int main()': main.cpp:10:24: warning: unused variable 'p' [-Wunused-variable] int n, m, i, j, c, p, u, max; ^ main.cpp:10:27: warning: unused variable 'u' [-Wunused-variable] int n, m, i, j, c, p, u, max; ^ main.cpp:10:30: warning: unused variable 'max' [-Wunused-variable] int n, m, i, j, c, p, u, max; ^~~ main.cpp:13:34: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d%d", &n, &m ); ^ main.cpp:15:33: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d", &a[i] ); ^ main.cpp:17:33: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] fscanf( fin, "%d", &b[i] ); ^