제출 #468924

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
468924	2021-08-30 08:04:36	Soumya1	꿈 (IOI13_dreaming)	C++14	0 / 100	55 ms	12028 KiB

dreaming

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#include "dreaming.h"
#include <bits/stdc++.h>
using namespace std;
const int mxN = 1e5;
vector<pair<int, int>> ad[mxN];
bool vis[mxN];
int dp[mxN][2];
int mn = 1e9 + 5;
int ans = 0;
void dfs(int node) {
  vis[node] = true;
  for (auto [child, w] : ad[node]) {
    if (vis[child]) continue;
    dfs(child);
    if (dp[child][1] + w >= dp[node][1]) {
      dp[node][0] = dp[node][1];
      dp[node][1] = dp[child][1] + w;
    } else if (dp[child][1] + w > dp[node][0]) {
      dp[node][0] = dp[child][1] + w;
    }
  }
  ans = max(ans, dp[node][1] + dp[node][0]);
}
void dfs1(int node, int par, int cur) {
  mn = min(mn, max(cur, dp[node][1]));
  for (auto [child, w] : ad[node]) {
    if (child == par) continue;
    dfs1(child, node, max(cur, (dp[node][1] == dp[child][1] + w ? dp[node][0] : dp[node][1])) + w);
  } 
}
 
 
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컴파일 시 표준 에러 (stderr) 메시지

dreaming.cpp: In function 'void dfs(int)':
dreaming.cpp:12:13: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   12 |   for (auto [child, w] : ad[node]) {
      |             ^
dreaming.cpp: In function 'void dfs1(int, int, int)':
dreaming.cpp:26:13: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
   26 |   for (auto [child, w] : ad[node]) {
      |             ^

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