Compilare: user.cpp: In function ‘int main()’: user.cpp:23:20: warning: unused variable ‘k’ [-Wunused-variable] int tip, i, j, k, c, inew, jnew; ^ user.cpp:23:26: warning: unused variable ‘inew’ [-Wunused-variable] int tip, i, j, k, c, inew, jnew; ^ user.cpp:23:32: warning: unused variable ‘jnew’ [-Wunused-variable] int tip, i, j, k, c, inew, jnew; ^ user.cpp:21:35: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("sant.in", "r", stdin); ^ user.cpp:22:37: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("sant.out", "w", stdout); ^ user.cpp:25:32: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d", &s, &n, &c); ^ user.cpp:27:36: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &l[i], &p[i]); ^