Submission #50139

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
50139	2018-06-07 17:43:55	top34051	Parachute rings (IOI12_rings)	C++17	100 / 100	826 ms	51584 KiB

rings

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#include<bits/stdc++.h>
using namespace std;
const int maxn = 1e6 + 5;
int n, m, ok;
pair<int,int> e[maxn];
int cyc, cysz, head0[maxn], deg0[maxn], sz0[maxn];
int ban[5], bad[5], head[5][maxn], deg[5][maxn];
void Init(int _n) {
    n = _n;
    for(int i=1;i<=n;++i) head0[i] = i, sz0[i] = 1;
    for(int k=1;k<=4;++k) {
        for(int i=1;i<=n;++i) head[k][i] = i;
    }
}
int CountCritical() {
    if(!ok) {
        if(cyc==0) return n;
        if(cyc==1) return cysz;
        return 0;
    }
    else {
        int res = 0;
        for(int i=1;i<=4;i++) res += !bad[i];
        return res;
 
 
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• Subtask 1: 20 / 20
• Subtask 2: 17 / 17
• Subtask 3: 18 / 18
• Subtask 4: 14 / 14
• Subtask 5: 31 / 31