Compilare: user.cpp: In function ‘void calc_linie(int, int)’: user.cpp:14:28: warning: variable ‘i2’ set but not used [-Wunused-but-set-variable] int i, min1, min2, i1, i2; ^ user.cpp: In function ‘int main()’: user.cpp:43:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("lacusta.in", "r", stdin); ^ user.cpp:44:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("lacusta.out", "w", stdout); ^ user.cpp:48:26: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d", &n, &m); ^ user.cpp:52:35: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%hu", &v[i][j]); ^ user.cpp: In function ‘void calc_linie(int, int)’: user.cpp:37:41: warning: ‘i1’ may be used uninitialized in this function [-Wmaybe-uninitialized] else a[lin][i] = min2 + v[lin][i]; ^