题目链接:https://codeforces.ml/edu/course/2/lesson/6/3/practice/contest/285083/problem/D 题意:给定有向图,每条边上有一个数 ,问在走过的步数不超过d的情况下 让所有边上的数的最大数最小是多少 思路:二分check mid 如果边上的数大于mid的就不能走这条边, 用pre[now]=pre[u] 记录路径, 因为边权为1 跑一下bfs找最短路即可, ...
Hi Codeforces, Time goes by, and so should we. And it seems that the time has come for this year. So, it's a great time to reflect on and appreciate the standout problem sets that made this year memorable. What specific problem stands out to you as the highlight of your year? PS...
If yes, please change it to like some online judges or like codeforces. → Reply » huikang 8 months ago, # | 0 In it, instead of solving problems manually, contestants will create an autonomous code generation system before the start of the contest. and Each contestant can compete...
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(1, 0); int sum = 0; while (m--) { char c; int x, y; cin >> c >> x; if (c == '^') { sum ^= x; } else { cin >> y; modify(tr[d[x]], s[x], -1); // 先在相应的Trie中删除s[u] // 分别查询(u,v)路径长度为偶数、奇数的最大值 cout << max(query(tr[...
Sum and Xor can be easily reversed. Children max are a bit more difficult but can be achieved by keeping two maximum values. Thus this is easily O(n). Most of the time, the reverse function is, well, exact reverse of the combine function. Comparing the first option and the third ...
Selamat pagi Codeforces! We're going to hold The 2024 ICPC Asia Jakarta Regional Contest. We invite you to join the online mirror contest2024-2025 ICPC, Asia Jakarta Regional Contest (Online Mirror, Unrated, ICPC Rules, Teams Preferred)on Codeforces. It'll be held onDec/01/2024 08:05 (Mo...
PracticeTwoPointersMethod2C-NumberOfSegmentsWithSmallSum.cpp PracticeTwoPointersMethod2D-NumberOfSegmentsWithBigSum.cpp PracticeTwoPointersMethod2E-SegmentsWithSmallSet.cpp PracticeTwoPointersMethod2F-SegmentsWithSmallSpread.cpp PracticeTwoPointersMethod3A-LoopedPlaylist.cpp README.mdBreadcrumbs CodeForces/...
The path between Asem's house and the park is a straight line and when Asem turn on the device, it display one integer on its screen, the sum of the radiuses of the detected networks. Given the coordinates of the center of the networks coverage area and their radiuses, what is the ...