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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#560496 | #8669. 正方形计数 | free_fall | 0 | 3526ms | 6592kb | C++14 | 1.1kb | 2024-09-12 15:59:59 | 2024-09-12 15:59:59 |
Judging History
answer
#include<bits/stdc++.h>
#define int long long
using namespace std;
inline int read(){
int x=0,f=1;
char ch=getchar();
for(;!isdigit(ch);ch=getchar())if(ch=='-')f=-f;
for(;isdigit(ch);ch=getchar())x=(x<<1)+(x<<3)+(ch^48);
return x*f;
}
const int N=1e5+5,inf=0x3f3f3f3f3f3f3f3f;
int n,x[N],y[N],f[N],g[N];
signed main(){
n=read();
for(int i=1;i<=n;i++){
x[i]=read(),y[i]=read();
}
memset(f,-0x3f,sizeof f);
memset(g,0x3f,sizeof g);
x[n+1]=x[1],y[n+1]=y[1];
for(int i=1;i<=n;i++){
int a=x[i]-x[i+1],b=y[i+1]-y[i],c=x[i]*b+y[i]*a;
for(int j=0;j<=2e3;j++){
if(x[i]>x[i+1])f[j]=max(f[j],(c-b*j+a-1)/a);
if(x[i]<x[i+1])g[j]=min(g[j],(c-b*j)/a);
if(x[i]==x[i+1]&&c-b*j>0)f[j]=inf,g[j]=-inf;
}
}
for(int i=0;i<=2e3;i++){
if(f[i]>g[i])f[i]=inf,g[i]=-inf;
}
int ans=0;
for(int i=0;i<=2e3;i++){
printf("%lld\n",i);
for(int j=1;i+j<=2e3;j++){
for(int k=0;i+j+k<=2e3;k++){
int L=max({f[k]-i,f[k+i]-i-j,f[k+j],f[k+i+j]-j});
int R=min({g[k]-i,g[k+i]-i-j,g[k+j],g[k+i+j]-j});
if(L>R)continue;
ans+=R-L+1;
}
}
}
printf("%lld\n",ans);
return 0;
}
Details
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Subtask #1:
score: 0
Wrong Answer
Test #1:
score: 0
Wrong Answer
time: 3526ms
memory: 5452kb
input:
4 131 603 131 1828 1919 1828 1919 603
output:
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 10...
result:
wrong answer 1st numbers differ - expected: '361182910200', found: '0'
Subtask #2:
score: 0
Wrong Answer
Test #6:
score: 0
Wrong Answer
time: 3436ms
memory: 6592kb
input:
3 131 603 131 1828 1919 603
output:
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 10...
result:
wrong answer 1st numbers differ - expected: '63739309181', found: '0'
Subtask #3:
score: 0
Wrong Answer
Test #11:
score: 0
Wrong Answer
time: 3388ms
memory: 5388kb
input:
8 0 13 4 15 15 15 15 6 13 1 12 0 5 0 0 6
output:
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 10...
result:
wrong answer 1st numbers differ - expected: '4047', found: '0'
Subtask #4:
score: 0
Skipped
Dependency #3:
0%
Subtask #5:
score: 0
Skipped
Dependency #4:
0%
Subtask #6:
score: 0
Skipped
Dependency #1:
0%