Submission #125127

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
125127	2019-07-04 16:31:00	NMAC427	Islands (IOI08_islands)	C++17	90 / 100	857 ms	131076 KiB

islands

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// https://oj.uz/problem/view/IOI08_islands
#include <bits/stdc++.h>
#define ff first
#define ss second
using namespace std;
using ll = long long int;
int N;
vector<pair<int, int>> to;
vector<vector<int>> from;
vector<bool> inCycle;
pair<ll, ll> dfsSolve(int v) {
  ll max1 = 0;
  ll max2 = 0;
  ll maxInternal = 0; // Maximum internal path;
  for (const int child: from[v]) {
    if (inCycle[child]) continue;  // Check here because we want to be able to pass in a node of the cycle
    auto childDFS = dfsSolve(child);
    childDFS.ff += to[child].ss;
    if (childDFS.ff >= max1) {
      max2 = max1;
      max1 = childDFS.ff;
 
 
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Compilation message (stderr)

islands.cpp: In function 'int main()':
islands.cpp:123:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for(int i = 1; i < cycle.size(); i++) {
                  ~~^~~~~~~~~~~~~~

• Subtask 1: 33 / 33
• Subtask 2: 3 / 3
• Subtask 3: 4 / 4
• Subtask 4: 10 / 10
• Subtask 5: 10 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10
• Subtask 8: 10 / 10
• Subtask 9: 0 / 10