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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#411915 | #6742. Leaves | Ynoiynoi# | WA | 1ms | 9956kb | C++14 | 2.5kb | 2024-05-15 21:25:47 | 2024-05-15 21:25:47 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
#define MAXN 1005
#define int long long
const int INF = 1e18;
int n,m;
int a[MAXN];
struct aa {
int a[MAXN],nn;
void wt() {
for(int i = 1; i <= nn; i ++)
cout<<a[i]<<" ";
cout<<"\n";
}
};
aa merge(aa a,aa b) {
aa c;
c.nn = 0;
c.nn = a.nn+b.nn;
for(int i = 1; i <= a.nn; i ++)
c.a[i] = a.a[i];
for(int i = 1; i <= b.nn; i ++)
c.a[i+a.nn] = b.a[i];
return c;
}
bool operator <(aa a,aa b) {
for(int i = 1; i <= a.nn; i ++) {
if(a.a[i] > b.a[i]) return 0;
if(a.a[i] < b.a[i]) return 1;
}
return 0;
}
aa f[MAXN],b[MAXN];
int c[MAXN],zw[MAXN];
int lc[MAXN],rc[MAXN];
void dfs(int x) {
// cout<<x<<"\n";
if(a[x] != 0) {
f[x].nn = 1;
f[x].a[1] = a[x];
b[x] = f[x];
return;
}
dfs(lc[x]);
dfs(rc[x]);
b[x] = merge(b[lc[x]],b[rc[x]]);
c[x] = c[lc[x]]+c[rc[x]];
aa f1 = merge(f[lc[x]],f[rc[x]]);
aa f2 = merge(f[rc[x]],f[lc[x]]);
zw[x] = zw[lc[x]]+zw[rc[x]];
if(f1 < f2) {
f[x] = f1;
return;
} else {
f[x] = f2;
if(f2 < f1) {
c[x] ++; zw[x] ++;
} else zw[x] = -INF;
return;
}
}
int rt;
int ew[MAXN];
aa p[MAXN];
int zp[MAXN];
aa orz(int x,int m) {
//cout<<x<<" "<<m<<"\n";
if(a[x] != 0) return b[x];
if(m == 0) {
return b[x];
}
// if(m >= c[x]) return f[x];
aa f1,f2;
bool d1 = 0,d2 = 0;
if(c[lc[x]] <= m) {
d1 = 1; f1 = merge(f[lc[x]],orz(rc[x],m-c[lc[x]]));
} else f1 = merge(orz(lc[x],m),b[rc[x]]);
if(c[rc[x]] <= m-1) {
d2 = 1; f2 = merge(f[rc[x]],orz(lc[x],m-1-c[lc[x]]));
} else f2 = merge(orz(rc[x],m-1),b[lc[x]]);
/* cout<<x<<":----\n";
f1.wt();
f2.wt();
cout<<d1<<" "<<d2<<"?\n";*/
if(f1 < f2) {
if(d1) zp[x] = zw[lc[x]] + zp[rc[x]];
else zp[x] = zp[lc[x]];
return f1;
} else {
if(f2 < f1) {
if(d2) zp[x] = zp[lc[x]]+zw[rc[x]]+1;
else zp[x] = zp[rc[x]]+1;
} else zp[x] = -INF;
return f2;
}
}
int cc[MAXN];
bool eq(aa a,aa b) {
for(int i = 1; i <= a.nn; i ++)
if(a.a[i] != b.a[i]) return 0;
return 1;
}
aa an;
aa w[MAXN];
signed main() {
cin >> n >> m;
for(int i = 1; i <= n; i ++) {
int op;
cin >> op;
if(op == 1) {
cin >> lc[i] >> rc[i];
} else cin >> a[i];
}
dfs(1);
an = orz(1,m);
/*for(int i = 1; i <= n; i ++)
cout<<zp[i]<<" ";
cout<<"\n";*/
if(zp[1] > 0 && zp[1]%2 != m%2) swap(an.a[an.nn],an.a[an.nn-1]);
for(int i = 1; i <= an.nn; i ++)
cout<<an.a[i]<<" ";
return 0;
}
/*
7 1
1 2 3
1 4 5
1 6 7
2 4
2 2
2 3
2 1
3 2
1 2 3
2 2
2 1
*/
Details
Tip: Click on the bar to expand more detailed information
Test #1:
score: 100
Accepted
time: 1ms
memory: 9956kb
input:
3 0 1 2 3 2 1 2 2
output:
1 2
result:
ok 2 number(s): "1 2"
Test #2:
score: 0
Accepted
time: 1ms
memory: 7912kb
input:
7 1 1 2 3 1 4 5 1 6 7 2 4 2 2 2 3 2 1
output:
2 4 3 1
result:
ok 4 number(s): "2 4 3 1"
Test #3:
score: 0
Accepted
time: 1ms
memory: 7848kb
input:
7 2 1 2 3 1 4 5 1 6 7 2 4 2 2 2 3 2 1
output:
1 3 4 2
result:
ok 4 number(s): "1 3 4 2"
Test #4:
score: 0
Accepted
time: 1ms
memory: 9756kb
input:
1 0 2 1000000000
output:
1000000000
result:
ok 1 number(s): "1000000000"
Test #5:
score: -100
Wrong Answer
time: 1ms
memory: 7916kb
input:
3 1 1 2 3 2 1 2 2
output:
1 2
result:
wrong answer 1st numbers differ - expected: '2', found: '1'