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QOJ
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 |
---|---|---|---|---|---|---|---|---|---|
#751431 | #9730. Elevator II | sdnuwy# | WA | 48ms | 3640kb | C++20 | 2.1kb | 2024-11-15 18:39:07 | 2024-11-15 18:39:09 |
Judging History
answer
//Think twice,code once.
#include<bits/stdc++.h>
#define endl '\n'
#define int long long
#define INF 0x3f3f3f3f3f3f3f
#define inf 0x3f3f3f3f
#define ff first
#define ss second
#define pii pair<int,int>
#define mem(i,n) memset(i,n,sizeof i)
#define dg(a) std::cout << #a << " = " << a << endl
typedef long long ll;
typedef unsigned long long ull;
using namespace std;
struct node
{
int l,r,idx;
};
bool cmp1(node a,node b)
{
return a.l < b.l;
}
bool cmp2(node a,node b)
{
return a.r>b.r;
}
void solve()
{
int n,f;
cin >> n >> f;
vector<node>a(n+1);
vector<bool>vis(n+1);
int ans=0;
int res=INF;
int mx=0;
int val=0;
for(int i=1;i<=n;i++)
{
cin >> a[i].l >> a[i].r;
a[i].idx=i;
ans+=a[i].r-a[i].l;
if(a[i].r>mx)
{
mx=a[i].r;
val=a[i].l;
}
else if(a[i].r==mx)
{
val=min(val,a[i].l);
}
}
sort(a.begin()+1,a.end(),cmp1);
res=0;
a[0].r=f;
vector<node>b;
b.push_back({0,f,0});
int m=0;
for(int i=1;i<=n;i++)
{
if(a[i].l<=val&&a[i].r>b[m].r)
{
res+=max(0ll,a[i].l-b[m].r);
b.push_back(a[i]);
m++;
}
}
// if(l==-1)
// {
// sort(a.begin()+1,a.end(),cmp2);
// cout << ans+max(0ll,a[1].l-f) << endl;
// for(int i=1;i<=n;i++)
// {
// cout << a[i].idx << ' ';
// }
// cout << endl;
// return;
// }
cout << ans+res << endl;
for(int i=1;i<m;i++)
{
cout << b[i].idx << ' ';
vis[b[i].idx]=1;
}
sort(a.begin()+1,a.end(),cmp2);
for(int i=1;i<=n;i++)
{
if(vis[a[i].idx]) continue;
cout << a[i].idx << ' ';
}
cout << endl;
}
int32_t main()
{
std::ios_base::sync_with_stdio(false);
std::cin.tie(nullptr);
std::cout.tie(nullptr);
int t = 1;
std::cin >> t;
while(t--) solve();
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 0ms
memory: 3548kb
input:
2 4 2 3 6 1 3 2 7 5 6 2 5 2 4 6 8
output:
11 2 3 1 4 5 2 1
result:
ok ok 2 cases (2 test cases)
Test #2:
score: -100
Wrong Answer
time: 48ms
memory: 3640kb
input:
6100 19 52 51 98 2 83 40 58 96 99 39 55 72 94 15 17 4 15 48 99 2 99 77 78 35 77 44 62 79 81 30 31 1 48 48 76 68 99 60 66 6 19 44 53 64 92 17 28 67 98 9 99 40 65 16 27 99 100 15 56 4 6 24 97 84 96 47 49 37 38 77 79 13 40 13 92 71 100 47 93 90 91 72 81 15 48 32 71 19 17 95 99 10 23 18 100 90 93 52 92 ...
output:
524 2 4 10 18 9 1 6 14 11 12 17 19 13 3 5 16 15 7 8 194 5 4 2 6 1 3 397 9 10 4 11 1 5 12 13 14 8 16 2 6 15 7 3 733 2 15 7 3 1 10 8 6 4 17 5 16 13 11 12 18 14 9 19 244 3 10 5 6 2 8 12 4 14 11 9 1 15 13 7 422 17 18 1 6 11 2 10 7 13 9 4 12 20 14 5 15 19 8 16 3 104 3 4 1 2 187 4 3 8 1 2 6 7 5 9 1...
result:
wrong answer Participant declares the cost to be 524, but the plan actually costs 537 (test case 1)