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ID | 题目 | 提交者 | 结果 | 用时 | 内存 | 语言 | 文件大小 | 提交时间 | 测评时间 |
---|---|---|---|---|---|---|---|---|---|
#643399 | #6107. One Path | xlwang | WA | 1ms | 3996kb | C++14 | 2.5kb | 2024-10-15 21:01:02 | 2024-10-15 21:01:04 |
Judging History
answer
#include<bits/stdc++.h>
#define ll long long
#define int long long
#define fr(i,j,k) for(register int i=j;i<=k;++i)
#define rf(i,j,k) for(register int i=j;i>=k;--i)
#define foredge(i,j) for(register int i=head[j];i;i=e[i].nxt)
#define pb push_back
#define Times printf("Time:%.3lf\n",clock()/CLOCKS_PER_SEC)
#define pii pair<int,int>
#define mk make_pair
using namespace std;
inline int read(){
int x=0;
bool f=0;
char c=getchar();
while(!isdigit(c)) f|=(c=='-'),c=getchar();
while(isdigit(c)) x=(x<<3)+(x<<1)+(c^48),c=getchar();
return f?-x:x;
}
inline void write(int x){
if(x<0){putchar('-');x=-x;}
if(x>9)write(x/10);
putchar(x%10+'0');
}
inline void writeln(int x){write(x); puts("");}
inline void writepl(int x){write(x); putchar(' ');}
mt19937 rnd(chrono::steady_clock::now().time_since_epoch().count());
inline int randfind(int l,int r){return rnd()%(r-l+1)+l;}
//inline void init(){
// int t=read();
// while(t--) work();
//}
const int Maxn=2e3+10;
struct node{int nxt,to,d;}e[Maxn<<1];
int cnt,head[Maxn];
inline void add(int u,int v,int w){++cnt;e[cnt]=(node){head[u],v,w};head[u]=cnt;}
inline void chkmin(int &x,int y){if(x>y) x=y;}
inline void chkmax(int &x,int y){if(x<y) x=y;}
int f[Maxn][Maxn],g[Maxn][Maxn],h[Maxn][Maxn];
int siz[Maxn];
inline void dfs(int x,int fa){
siz[x]=1;
for(register int I=head[x];I;I=e[I].nxt) if(e[I].to!=fa){
int y;y=e[I].to;dfs(y,x);
rf(i,siz[x],1) rf(j,siz[y],1){
chkmax(h[x][i+j],h[x][i]+h[y][j]+e[I].d);
chkmax(h[x][i+j-1],h[x][i]+f[y][j]);
chkmax(h[x][i+j-1],f[x][i]+h[y][j]);
chkmax(h[x][i+j-1],g[x][i]+g[y][j]+e[I].d);
}
rf(i,siz[x],1) rf(j,siz[y],1){
chkmax(g[x][i+j],g[x][i]+g[y][j]+e[I].d);
chkmax(g[x][i+j-1],g[x][i]+f[y][j]);
chkmax(g[x][i+j-1],f[x][i]+g[y][j]+e[I].d);
}
rf(i,siz[x],1) rf(j,siz[y],1){
chkmax(f[x][i+j],f[x][i]+h[y][j]+e[I].d);
chkmax(f[x][i+j-1],f[x][i]+f[y][j]);
}siz[x]+=siz[y];
}
}
int n,k;
inline void init(){
n=read();k=read();
fr(i,1,n-1){
int x,y,z;
x=read();y=read();z=read();
add(x,y,z);add(y,x,z);
}
}
inline void work(){
dfs(1,0);
fr(i,1,k+1) writepl(h[1][min(i,n)]);puts("");
}
signed main(){
// freopen("input.in","r",stdin);
// freopen("output.out","w",stdout);
init();work();
// printf("\nTIME:%.3lf",(double)clock()/CLOCKS_PER_SEC);
return 0;
}
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 3712kb
input:
5 1 1 3 2 4 5 4 3 4 3 2 3 7
output:
14 16
result:
ok 2 number(s): "14 16"
Test #2:
score: 0
Accepted
time: 0ms
memory: 3536kb
input:
7 2 1 2 4 2 3 6 2 4 2 4 5 5 2 6 1 4 7 3
output:
13 20 21
result:
ok 3 number(s): "13 20 21"
Test #3:
score: -100
Wrong Answer
time: 1ms
memory: 3996kb
input:
50 2000 3 34 1 37 39 58720256 17 24 14680064 28 39 1 25 38 1 21 29 1 3 30 1 26 36 1 5 48 14336 4 22 1 26 41 1 41 44 1 5 14 1 23 25 28672 40 41 224 27 39 1 4 20 7340032 7 47 939524096 11 46 114688 30 49 3584 34 44 1 7 35 1 10 29 1 27 33 29360128 16 36 56 8 28 1 13 38 57344 34 45 896 15 35 469762048 1...
output:
1409286145 1761607683 1849688069 1871708167 1875378184 1878130698 1878589451 1878933516 1879019534 1879041040 1879046418 1879047315 1879047988 1879048101 1879048158 1879048159 1879048160 1879048160 1879048160 1879048160 1879048160 1879048160 1879048160 1879048160 1879048160 1879048160 1879048160 187...
result:
wrong answer 5th numbers differ - expected: '1877213193', found: '1875378184'