Compilare: main.cpp: In function 'int main()': main.cpp:65:38: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("razbunare.in", "r", stdin); ^ main.cpp:66:40: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result] freopen("razbunare.out", "w", stdout); ^ main.cpp:69:30: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d", &n, &L, &Q); ^ main.cpp:71:58: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d%d", &e[i].x, &e[i].y, &e[i].c, &e[i].r); ^ main.cpp:73:58: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result] scanf("%d%d%d%d", &q[i].u, &q[i].v, &q[i].a, &q[i].b); ^