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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#108764 | #5123. Streets | shenxinge | WA | 856ms | 23072kb | C++23 | 1.4kb | 2023-05-26 17:00:17 | 2023-05-26 17:00:22 |
Judging History
answer
#include<bits/stdc++.h>
#define int long long
using namespace std;
constexpr int maxn(1e5+10),maxe(1e5),inf(1e9+7);
int n,m,T,X[maxn],Y[maxn],A[maxn],B[maxn],va[maxn],vb[maxn],f[maxn][20],st[maxn],top,mx,c;
inline int F(int i,int j){return i*vb[j]+j*va[i];}
inline bool check(int i,int j){
for(int l=20;l;l--) if(f[f[j][l]][0]&&F(i,f[j][l])>=F(i,f[f[j][l]][0])) j=f[j][l];
if(j!=mx&&F(i,f[j][0])<=c) return true; return F(i,j)<=c;
}
signed main(){
ios::sync_with_stdio(false),cin.tie(nullptr);
cin >> n >> m >> T;for(int i=1;i<=maxe;i++) va[i]=vb[i]=inf;
for(int i=1;i<=n;i++) cin >> X[i];for(int i=1;i<=n;i++) cin >> A[i];
for(int i=1;i<=m;i++) cin >> Y[i];for(int i=1;i<=m;i++) cin >> B[i];
for(int i=1;i<=n;i++) for(int j=1;j<i;j++) va[X[i]-X[j]]=min(va[X[i]-X[j]],A[i]+A[j]);
for(int i=1;i<=m;i++) for(int j=1;j<i;j++) vb[Y[i]-Y[j]]=min(vb[Y[i]-Y[j]],B[i]+B[j]);
for(int i=maxe;i;i--) if(vb[i]!=inf){
while(top>1&&(vb[st[top]]-vb[i])*(st[top-1]-st[top])>=(vb[st[top-1]]-vb[st[top]])*(st[top]-i)) top--;
if(!top) mx=i; else f[i][0]=st[top]; st[++top]=i;
}
for(int i=1;i<20;i++) for(int u=1;u<=maxe;u++) f[u][i]=f[f[u][i-1]][i-1];
while(T--){cin >> c;int ans=0;
for(int i=maxe,p=1;i;i--) if(va[i]!=inf) while(true){
while(p<=mx&&vb[p]==inf) p++; if(p<=mx&&check(i,p)) ans=max(ans,i*(p++)); else break;
}cout << ans << '\n';
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 15ms
memory: 23072kb
input:
3 4 20 1 3 4 3 1 2 1 3 4 7 4 2 1 2 1 5 6 7 9 10 11 12 15 16 17 22 23 28 30 35 43 47 49 57
output:
0 0 1 1 1 2 2 3 3 4 4 6 6 9 9 12 12 12 18 18
result:
ok 20 numbers
Test #2:
score: -100
Wrong Answer
time: 856ms
memory: 22564kb
input:
4995 4998 100 4 7 20 34 44 100 102 130 175 198 205 250 257 259 267 278 300 324 337 346 353 364 403 427 439 440 451 523 532 534 555 599 634 639 756 802 805 825 855 859 890 905 912 915 953 989 1014 1031 1052 1059 1097 1124 1183 1216 1297 1308 1337 1342 1361 1392 1400 1421 1451 1471 1523 1537 1542 1619...
output:
9991201920 9846069112 907122720 8760274420 6060281040 9937597384 9829379855 8760274420 7574750880 4509287264 6775157696 2333014890 5639921024 8604323616 9847265560 8760672560 8729294196 8602154816 8634860320 4509287264 1009880032 6527220480 9801310985 2333014890 5841619424 8602154816 1714219520 6697...
result:
wrong answer 2nd numbers differ - expected: '9941157660', found: '9846069112'