QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#579399 | #9221. Missing Boundaries | guodong# | WA | 43ms | 6940kb | C++14 | 1.0kb | 2024-09-21 13:21:55 | 2024-09-21 13:21:55 |
Judging History
answer
#include <bits/stdc++.h>
#define rep(x, l, r) for(int x = l; x <= r; x++)
using namespace std;
const int MAXN = 2e5 + 5;
struct node{
int l, r, f1, f2;
} a[MAXN];
bool cmp(node a, node b){
return max(a.l, a.r) < max(b.l, b.r);
}
int main(){
int t;
scanf("%d", &t);
while(t--){
int n, L;
scanf("%d%d", &n, &L);
rep(i, 1, n){
scanf("%d%d", &a[i].l, &a[i].r);
if(a[i].l == -1){
a[i].f1 = 1;
a[i].l = a[i].r;
}
if(a[i].r == -1){
a[i].f2 = 1;
a[i].r = a[i].l;
}
}
sort(a + 1, a + n + 1, cmp);
int x = 0;
while(a[x + 1].l == -1 && a[x + 1].r == -1) x++;
int mn = 0, mx = 0, ans = 1;
int pre = 0;
a[n + 1].l = a[n + 1].r = L + 1;
rep(i, x + 1, n + 1){
if(pre >= a[i].l){
ans = 0;
break;
}
if(pre < a[i].l - 1){
mx += a[i].l - 1 - pre;
if((i == n + 1 || !a[i].f1) && (i == x + 1 || !a[i - 1].f2)) mn++;
}
pre = a[i].r;
}
if(ans && x >= mn && x <= mx) puts("TAK");
else puts("NIE");
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 3756kb
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: 43ms
memory: 6940kb
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: 3720kb
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: 38ms
memory: 6904kb
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: 31ms
memory: 5200kb
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: 35ms
memory: 4564kb
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'