Compilare: main.cpp: In function 'int main()': main.cpp:34:27: warning: unused variable 'st' [-Wunused-variable] int tst, k, z, mx, s, st, dr, i, j, l; ^~ main.cpp:34:31: warning: unused variable 'dr' [-Wunused-variable] int tst, k, z, mx, s, st, dr, i, j, l; ^~ main.cpp:32:40: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("antivirus.in", "r", stdin); ^ main.cpp:33:42: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("antivirus.out", "w", stdout); ^ main.cpp:35:22: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &tst); ^ main.cpp:38:30: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &n, &k); ^ main.cpp:42:31: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &v[i]); ^