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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 |
---|---|---|---|---|---|---|---|---|---|
#582069 | #9221. Missing Boundaries | Displace_# | WA | 38ms | 5164kb | C++17 | 2.0kb | 2024-09-22 15:13:22 | 2024-09-22 15:13:23 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<int, int> pii;
#define fi first
#define se second
#define mapa make_pair
const int N=2e5+5;
int Test, n, L;
vector<pii> seg;
vector<int> lb, rb;
int cnt;
vector<pii> vec;
inline bool solve(){
for(int i=0; i<(int)seg.size()-1; ++i){
if(seg[i].se>=seg[i+1].fi) return 0;
}
int curl=1;
for(int i=0; i<(int)seg.size(); ++i){
if(curl<seg[i].fi) vec.emplace_back(curl, seg[i].fi-1);
curl=seg[i].se+1;
}
if(curl<=L) vec.emplace_back(curl, L);
int it1=0, it2=0;
int sum=0;
for(auto t:vec){
int cl=t.fi, cr=t.se;
// cout<<cl<<' '<<cr<<endl;
vector<pii> tem;
while(it1<(int)lb.size()){
if(lb[it1]<cl) return 0;
if(lb[it1]>cr) break;
tem.emplace_back(lb[it1], 0);
++it1;
}
while(it2<(int)rb.size()){
if(rb[it2]<cl) return 0;
if(rb[it2]>cr) break;
tem.emplace_back(rb[it2], 1);
++it2;
}
if(tem.empty()){
if(!cnt) return 0;
sum+=cr-cl;
--cnt;
continue;
}
sort(tem.begin(), tem.end());
// for(auto t:tem) cout<<"print"<<t.fi<<' '<<t.se<<endl;
for(int i=0; i<(int)tem.size()-1; ++i){
if(tem[i].fi==tem[i+1].fi) return 0;
}
if(tem[0].se==0&&tem[0].fi>cl){
// cout<<"here\n";
if(!cnt) return 0;
--cnt; --sum;
}
if(tem.back().se==1&&tem.back().fi<cr) {
// cout<<"here2\n";
if(!cnt) return 0;
--cnt; --sum;
}
sum+=cr-cl+1;
}
// cout<<cnt<<' '<<sum<<' '<<lb.size()<<' '<<rb.size()<<endl;
return sum>=cnt+lb.size()+rb.size();
}
int main(){
scanf("%d", &Test);
while(Test--){
scanf("%d%d", &n, &L);
lb.clear(); rb.clear(); cnt=0; seg.clear(); vec.clear();
for(int i=1, l, r; i<=n; ++i) {
scanf("%d%d", &l, &r);
if(l==-1&&r==-1) ++cnt;
else if(l==-1) rb.emplace_back(r);
else if(r==-1) lb.emplace_back(l);
else seg.emplace_back(l, r);
}
sort(seg.begin(), seg.end());
sort(lb.begin(), lb.end());
sort(rb.begin(), rb.end());
if(solve()) printf("TAK\n");
else printf("NIE\n");
}
}
详细
Test #1:
score: 100
Accepted
time: 0ms
memory: 3772kb
input:
3 4 51 1 -1 11 50 -1 -1 -1 10 3 2 -1 -1 -1 -1 -1 -1 2 3 1 2 2 3
output:
TAK NIE NIE
result:
ok 3 lines
Test #2:
score: 0
Accepted
time: 38ms
memory: 4804kb
input:
1 200000 1000000000 490669427 -1 224278942 224287156 821104480 -1 861696576 861702036 807438935 807440055 574078002 574083717 465630141 -1 195378188 -1 -1 13500961 -1 977536179 92893115 -1 -1 661145418 -1 215804863 -1 685338515 544348999 -1 465532902 -1 130346949 -1 -1 526666304 635604584 635605404 ...
output:
TAK
result:
ok single line: 'TAK'
Test #3:
score: 0
Accepted
time: 0ms
memory: 3992kb
input:
3 4 51 1 -1 11 50 -1 -1 -1 10 3 2 -1 -1 -1 -1 -1 -1 2 3 1 2 2 3
output:
TAK NIE NIE
result:
ok 3 lines
Test #4:
score: 0
Accepted
time: 33ms
memory: 5164kb
input:
1 197838 400000 34167 34169 352180 -1 235963 -1 -1 -1 160401 160405 347288 -1 270353 270354 214502 214504 183243 183245 -1 -1 -1 36193 -1 -1 -1 17557 273498 273500 269137 -1 395099 395100 285515 285518 -1 -1 71041 71042 324060 -1 -1 385151 -1 379645 -1 -1 -1 185142 -1 191584 89259 89261 328347 32834...
output:
TAK
result:
ok single line: 'TAK'
Test #5:
score: 0
Accepted
time: 29ms
memory: 4024kb
input:
2 97340 150000 -1 101927 105937 -1 -1 107253 -1 47307 110550 -1 84061 84062 125176 125177 -1 15915 29617 -1 -1 -1 -1 43147 115958 -1 101807 101808 24866 -1 66826 66828 -1 31640 -1 5610 1281 1284 -1 -1 -1 -1 -1 73973 -1 2945 29064 -1 30653 -1 -1 63714 -1 -1 141389 141390 -1 27465 57358 -1 47388 47389...
output:
NIE NIE
result:
ok 2 lines
Test #6:
score: -100
Wrong Answer
time: 31ms
memory: 3980kb
input:
4 50000 50000 11702 -1 -1 3148 30364 -1 48876 -1 -1 10739 -1 44459 11634 -1 39348 -1 38829 -1 16182 -1 37933 -1 35295 -1 43280 -1 37745 -1 -1 40076 358 -1 14043 -1 13975 -1 41942 -1 -1 13182 14780 -1 -1 14663 3998 -1 -1 24474 -1 6583 -1 9620 -1 37944 12103 -1 8307 -1 45760 -1 -1 2924 25441 -1 -1 194...
output:
TAK NIE NIE TAK
result:
wrong answer 4th lines differ - expected: 'NIE', found: 'TAK'