CODE FESTIVAL 2016 Final

Submission #5397119

Source codeソースコード

#include <bits/stdc++.h>
#define fi first
#define se second
#define pii pair<int,int>
#define mp make_pair
#define pb push_back
#define space putchar(' ')
#define enter putchar('\n')
#define eps 1e-10
#define MAXN 200005
//#define ivorysi
using namespace std;
typedef long long int64;
typedef unsigned int u32;
typedef double db;
template<class T>
void read(T &res) {
    res = 0;T f = 1;char c = getchar();
    while(c < '0' || c > '9') {
	if(c == '-') f = -1;
	c = getchar();
    }
    while(c >= '0' && c <= '9') {
	res = res * 10 +c - '0';
	c = getchar();
    }
    res *= f;
}
template<class T>
void out(T x) {
    if(x < 0) {x = -x;putchar('-');}
    if(x >= 10) {
	out(x / 10);
    }
    putchar('0' + x % 10);
}
struct node {
    int u,v;
    int64 c;
}E[MAXN * 2]; 
int N,Q,tot;
int64 val[MAXN * 2];
int fa[MAXN];
int getfa(int x) {
    return x == fa[x] ? x : getfa(fa[x]);
}
void Solve() {
    read(N);read(Q);
    int a,b;int64 c;
    for(int i = 0 ; i < 2 * N ; ++i) val[i] = 1e18;
    for(int i = 1 ; i <= Q ; ++i) {
	read(a);read(b);read(c);
	E[++tot] = (node){a,b,c};
	val[a] = min(val[a],c + 1);
	val[b] = min(val[b],c + 2);
    }
    for(int i = 1 ; i < 2 * N ; ++i) {
	val[i] = min(val[i - 1] + 2,val[i]);
    }
    for(int i = 0 ; i < N ; ++i) {
	E[++tot] = (node){i,(i + 1) % N,min(val[i],val[i + N])};
    }
    sort(E + 1,E + tot + 1,[](node a,node b){return a.c < b.c;});
    for(int i = 0 ; i < N ; ++i) fa[i] = i;
    int64 ans = 0;
    for(int i = 1 ; i <= tot ; ++i) {
	if(getfa(E[i].u) != getfa(E[i].v)) {
	    fa[getfa(E[i].u)] = getfa(E[i].v);
	    ans += E[i].c;
	}
    }
    out(ans);enter;
}
int main() {
#ifdef ivorysi
    freopen("f1.in","r",stdin);
#endif
    Solve();
    return 0;
}

Submission

Task問題 G - Zigzag MST
User nameユーザ名 sigongzi
Created time投稿日時
Language言語 C++14 (GCC 5.4.1)
Status状態 TLE
Score得点 0
Source lengthソースコード長 1802 Byte
File nameファイル名
Exec time実行時間 ms
Memory usageメモリ使用量 -

Test case

Set

Set name Score得点 / Max score Cases
sample - sample-01.txt,sample-02.txt,sample-03.txt
all 0 / 1300 sample-01.txt,sample-02.txt,sample-03.txt,01-01.txt,01-02.txt,01-03.txt,01-04.txt,01-05.txt,01-06.txt,01-07.txt,01-08.txt,01-09.txt,01-10.txt,01-11.txt,01-12.txt,01-13.txt,01-14.txt,01-15.txt,01-16.txt,01-17.txt,01-18.txt,01-19.txt,01-20.txt,01-21.txt,01-22.txt,01-23.txt,01-24.txt,01-25.txt,01-26.txt,01-27.txt,01-28.txt,01-29.txt,01-30.txt,sample-01.txt,sample-02.txt,sample-03.txt

Test case

Case name Status状態 Exec time実行時間 Memory usageメモリ使用量
01-01.txt AC 2 ms 2304 KB
01-02.txt AC 40 ms 6400 KB
01-03.txt TLE
01-04.txt AC 20 ms 8448 KB
01-05.txt AC 14 ms 8448 KB
01-06.txt AC 20 ms 8448 KB
01-07.txt AC 45 ms 8448 KB
01-08.txt AC 300 ms 8448 KB
01-09.txt TLE
01-10.txt TLE
01-11.txt TLE
01-12.txt TLE
01-13.txt TLE
01-14.txt TLE
01-15.txt TLE
01-16.txt TLE
01-17.txt TLE
01-18.txt AC 53 ms 10368 KB
01-19.txt AC 17 ms 8448 KB
01-20.txt AC 1744 ms 8448 KB
01-21.txt TLE
01-22.txt TLE
01-23.txt TLE
01-24.txt AC 14 ms 8448 KB
01-25.txt AC 73 ms 10368 KB
01-26.txt AC 20 ms 8448 KB
01-27.txt TLE
01-28.txt TLE
01-29.txt TLE
01-30.txt TLE
sample-01.txt AC 2 ms 2304 KB
sample-02.txt AC 2 ms 2304 KB
sample-03.txt AC 2 ms 2304 KB