Eroare de compilare: main.cpp: In function 'int main()': main.cpp:10:27: error: 'a' was not declared in this scope scanf ("%d", &a[i][j]); ^ main.cpp:14:21: error: 'a' was not declared in this scope if (a[i][k] && a[k][j] && (a[i][j]>a[i][k]+a[k][j] || !a[i][j]) && i!=j) ^ main.cpp:18:28: error: 'a' was not declared in this scope printf ("%d ", a[i][j]); ^ main.cpp:4:40: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen ("royfloyd.in", "r", stdin); ^ main.cpp:5:42: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen ("royfloyd.out", "w", stdout); ^ main.cpp:7:21: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf ("%d", &n); ^ Non zero exit status: 1