Compilare: user.cpp: In function ‘int main()’: user.cpp:77:59: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘int64_t {aka long long int}’ [-Wformat=] printf("%I64d\n", dist[0][u] + dist[1][u] + dist[2][u]); ^ user.cpp:61:38: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("trilant.in", "r", stdin); ^ user.cpp:62:40: warning: ignoring return value of ‘FILE* freopen(const char*, const char*, FILE*)’, declared with attribute warn_unused_result [-Wunused-result] freopen("trilant.out", "w", stdout); ^ user.cpp:63:27: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d", &n, &m); ^ user.cpp:65:31: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &start[i]); ^ user.cpp:69:38: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d %d", &u, &v, &c); ^