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ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#740934 | #7680. Subway | rqoi031 | WA | 0ms | 1528kb | C++20 | 1.2kb | 2024-11-13 12:31:37 | 2024-11-13 12:31:38 |
Judging History
answer
#include<stdio.h>
#include<algorithm>
typedef long long ll;
constexpr int dx{2},dy{10007};
struct point {
int x,y,c;
constexpr int eval() const {
return x*dx+y*dy;
}
};
point a[55],b[55],c[55];
int main() {
int n;
scanf("%d",&n);
int m(0);
for(int i=1;i<=n;i++) {
scanf("%d%d%d",&a[i].x,&a[i].y,&a[i].c);
m=std::max(m,a[i].c);
}
if(n==1) {
a[++n]={1001,1001,m};
}
std::sort(a+1,a+n+1,[&](const point &x,const point &y)->bool {
return x.eval()<y.eval();
});
for(int i=1;i<n;i++) {
const int v0(a[i].eval());
ll x(ll(dy/dx)*(v0+1)),y(-v0-1);
const ll k(x/dy);
x-=k*dy,y+=k*dx;
c[i]={int(x),int(y),0};
}
printf("%d\n",m);
for(int i=1;i<=m;i++) {
for(int j=1;j<=n;j++) {
if(a[j].c) {
b[j]=a[j],--a[j].c;
}
else {
b[j]={a[j].x+dy,a[j].y-dx,0};
}
}
printf("%d ",n*2-1);
for(int i=1;i<n;i++) {
printf("%d %d ",b[i].x,b[i].y);
printf("%d %d ",c[i].x,c[i].y);
}
printf("%d %d\n",b[n].x,b[n].y);
}
return 0;
}
Details
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Test #1:
score: 0
Wrong Answer
time: 0ms
memory: 1528kb
input:
3 1 2 1 2 1 2 3 3 2
output:
2 5 2 1 5001 -2 1 2 5002 -3 3 3 5 2 1 5001 -2 10008 0 5002 -3 3 3
result:
wrong answer Self-intersecting polyline 1.