QOJ.ac
QOJ
| ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
|---|---|---|---|---|---|---|---|---|---|
| #766370 | #692. Delete the Points | pan_g | WA | 2ms | 3996kb | C++20 | 2.4kb | 2024-11-20 17:06:14 | 2024-11-20 17:06:14 |
Judging History
answer
#include <bits/stdc++.h>
#define endl "\n"
typedef long long i64;
typedef double lb;
signed main(){
int n;
scanf("%d", &n);
puts("Yes");
std::map<int, std::vector<int> > mp;
for(int i = 0, x, y;i < n;i++){
scanf("%d%d", &x, &y);
mp[x].emplace_back(y);
}
int tx = -1, ty = -1;
for(auto &[x, f] : mp){
sort(f.begin(), f.end());
int i = 0, m = f.size();
if(tx == -1){
for(;i + 1 < m;i += 2){
int l = f[i], r = f[i + 1];
int y = x - (r - l);
printf("%.1lf %d %.1lf %d\n", y + 0.5, l, x + 0.5, r);
}
if(i == m - 1) tx = x, ty = f.back();
}
else{
for(;i + 1 < m && f[i + 1] < ty;i += 2){
int l = f[i], r = f[i + 1];
int y = x - (r - l);
printf("%.1lf %d %.1lf %d\n", y + 0.5, l, x + 0.5, r);
}
if(i < m && f[i] <= ty){
int delx = x - tx;
int dely = ty - f[i];
if(i == m - 1 || f[i + 1] > ty){
int len = std::max(delx, dely);
printf("%d %d %d %d\n", x - len, ty - len, x, ty);
tx = ty = -1;
i ++;
}
else{
if(delx > dely){
int l = f[i], r = f[i + 1];
int y = x - (r - l);
printf("%d %d %d %d\n", y, l, x, r);
i += 2;
}
else{
int len = x - tx;
printf("%d %d %d %d\n", x - len, ty - len, x, ty);
tx = ty = -1;
i ++;
}
}
}
if(tx >= 0 && i < m){
int len = std::max(x - tx, f[i] - ty);
printf("%d %d %d %d\n", x - len, f[i] - len, x, f[i]);
tx = ty = -1;
i ++;
}
for(;i + 1 < m;i += 2){
int l = f[i], r = f[i + 1];
int y = x - (r - l);
printf("%.1lf %d %.1lf %d\n", y + 0.5, l, x + 0.5, r);
}
if(i == m - 1) tx = x, ty = f.back();
}
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3692kb
input:
4 1 1 2 2 5 5 6 6
output:
Yes 1 1 2 2 5 5 6 6
result:
ok OK
Test #2:
score: 0
Accepted
time: 0ms
memory: 3828kb
input:
4 0 0 1 2 2 1 4 4
output:
Yes -1 0 1 2 1 1 4 4
result:
ok OK
Test #3:
score: 0
Accepted
time: 0ms
memory: 3640kb
input:
4 1 2 3 2 2 1 2 3
output:
Yes 1 1 2 2 2 2 3 3
result:
ok OK
Test #4:
score: 0
Accepted
time: 0ms
memory: 3996kb
input:
6 12 9 1 5 10 14 20 14 15 4 7 9
output:
Yes 1 3 7 9 7 9 12 14 10 4 20 14
result:
ok OK
Test #5:
score: 0
Accepted
time: 0ms
memory: 3800kb
input:
10 39 72 59 52 23 17 2 31 30 0 25 88 2 36 61 23 4 96 59 76
output:
Yes -2.5 31 2.5 36 -56 17 23 96 -58 0 30 88 39 52 59 72 8 23 61 76
result:
ok OK
Test #6:
score: 0
Accepted
time: 0ms
memory: 3640kb
input:
10 53 95 37 51 84 11 3 39 31 20 37 84 42 27 95 38 6 6 16 19
output:
Yes -27 6 6 39 16 5 31 20 4.5 51 37.5 84 -15 27 53 95 68 11 95 38
result:
ok OK
Test #7:
score: -100
Wrong Answer
time: 2ms
memory: 3840kb
input:
3000 997371332 135791687 997371332 135791686 997371332 135791685 997371333 135791685 997371333 135791687 997371334 135791687 997371333 135791688 997371331 135791686 997371333 135791689 997371334 135791686 997371334 135791689 997371333 135791684 997371332 135791689 997371331 135791685 997371334 13579...
output:
Yes 997371303.5 135791684 997371304.5 135791685 997371303 135791708 997371304 135791709 997371304.5 135791685 997371305.5 135791686 997371301.5 135791694 997371305.5 135791698 997371304.5 135791707 997371305.5 135791708 997371304 135791708 997371305 135791709 997371305.5 135791684 997371306.5 135791...
result:
wrong answer We have 3 point(s) in query 1