摘要： Freddy Frog is sitting on a stone in the middle of a lake. Suddenly he notices Fiona Frog who is sitting on another stone. He plans to visit her, but 阅读全文

摘要： const int inf = 1que; for(int i = 1; i d[i]){ d[i] = edge[v][i]; que.push(node(i, d[i])); } } } } int main() { int t; int a, b, ... 阅读全文