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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 |
---|---|---|---|---|---|---|---|---|---|
#708247 | #9528. New Energy Vehicle | wjynb666 | WA | 78ms | 66220kb | C++14 | 2.0kb | 2024-11-03 20:44:45 | 2024-11-03 20:44:45 |
Judging History
answer
#include <bits/stdc++.h>
using namespace std;
#define read_fast ios::sync_with_stdio(0),cin.tie(0),cout.tie(0);
using ll=long long;
using PII=pair<int,int>;
void solve(){
int n,m;
cin>>n>>m;
//先写一个O(n^2)的贪心
vector<int> a(n);
for(int i=0;i<n;i++) cin>>a[i];
vector<int> sq(a);
vector<array<int,2>> b(m);
for(int i=0;i<m;i++) cin>>b[i][0]>>b[i][1],b[i][1]--;
sort(b.begin(),b.end());
queue<int> nxt[n+1];
for(int i=0;i<m;i++){
nxt[b[i][1]].push(b[i][0]);
}
priority_queue<PII,vector<PII>,greater<PII>> q;//s中只维护邮箱里有油的的邮箱
for(int i=0;i<n;i++){
if(nxt[i].empty()) q.push({1e9+5,i});
else q.push({nxt[i].front(),i});
}
ll ans=0;
int last=0;
for(int i=0;i<m;i++){
//依次去使用,后面的内容
int need=b[i][0]-last;
while(!q.empty()){
auto t=q.top();
//cerr<<t.first<<' '<<t.second<<"\n";
q.pop();
int res=min(need,a[t.second]);
a[t.second]-=res;
need-=res;
ans+=res;
if(a[t.second] && t.second!=b[i][1]) q.push({a[t.second],t.second});
if(need==0) break;
}
//cerr<<"need="<<need<<"\n";
//cerr<<"------\n";
if(need>0) break;
a[b[i][1]]=sq[b[i][1]];
//第b[i][1]有油了,加上去,那它的位置是哪个呢?
if(!nxt[b[i][1]].empty()) nxt[b[i][1]].pop();
if(!nxt[b[i][1]].empty()) q.push({nxt[b[i][1]].front(),b[i][1]});
else q.push({1e9+5,b[i][1]});
last=b[i][0];
}
for(int i=0;i<n;i++){
if(a[i]>0) {
//cerr<<a[i]<<' ';
ans+=a[i];
}
}
//cerr<<"\n-------\n";
cout<<ans<<'\n';
}
int main()
{
read_fast;
int t;
cin>>t;
while(t--) solve();
return 0;
}
詳細信息
Test #1:
score: 100
Accepted
time: 0ms
memory: 3608kb
input:
2 3 1 3 3 3 8 1 2 2 5 2 1 2 2 1
output:
12 9
result:
ok 2 lines
Test #2:
score: 0
Accepted
time: 0ms
memory: 3612kb
input:
6 3 2 2 2 2 6 1 7 1 2 2 3 3 2 1 6 2 2 3 2 2 5 1 7 2 9 1 2 2 3 3 2 1 6 2 1 1 999999999 1000000000 1 1 1 1000000000 1000000000 1
output:
9 11 4 11 999999999 2000000000
result:
ok 6 lines
Test #3:
score: -100
Wrong Answer
time: 78ms
memory: 66220kb
input:
10 230 8042 599 1039 69 1011 1366 824 14117 1523 806 5002 332 55 3769 996 359 1040 255 1135 3454 3609 6358 2509 3695 8785 3890 1304 3394 14611 33 89 2245 508 22 1043 10411 628 1279 714 903 585 7413 5099 845 148 4689 2110 8683 1613 143 3263 2599 110 244 3297 4742 1571 425 1822 15692 572 9397 328 1691...
output:
1517831 1578939 1526016 1527381 1517862 1550472 1051049 1539380 1114612 1072217
result:
wrong answer 1st lines differ - expected: '1543020', found: '1517831'