Submission #108781

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
108781	2019-05-01 23:32:24	updown1	Race (IOI11_race)	C++17	100 / 100	1899 ms	44892 KiB

race

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#include "race.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define For(i, a, b) for(int i=a; i<b; i++)
#define ffi For(i, 0, M)
#define ffj For(j, 0, N)
#define ffa ffi ffj
#define s <<" "<<
#define c <<" : "<<
#define w cout
#define e "\n"
#define pb push_back
#define mp make_pair
#define a first
#define b second
//#define int ll
const int MAXN = 200000;
//500,000,000 operations
ll k;
int out = MAXN+1, siz, und[MAXN];;
bool gone[MAXN];
vector<int> nodes;
vector<pair<int, ll> > adj[MAXN];
map<ll, int> len;
void dfs(int at, int p) {
    und[at] = 1;
    siz++;
    nodes.pb(at);
 
 
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Compilation message (stderr)

race.cpp: In function 'void solve(int)':
race.cpp:73:14: warning: 'ce' may be used uninitialized in this function [-Wmaybe-uninitialized]
     gone[ce] = true;
     ~~~~~~~~~^~~~~~

• Subtask 1: 9 / 9
• Subtask 2: 12 / 12
• Subtask 3: 22 / 22
• Subtask 4: 57 / 57