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QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#723034#9221. Missing BoundarieslvliangWA 99ms14608kbC++141.9kb2024-11-07 21:00:012024-11-07 21:00:01

Judging History

你现在查看的是最新测评结果

  • [2024-11-07 21:00:01]
  • 评测
  • 测评结果:WA
  • 用时:99ms
  • 内存:14608kb
  • [2024-11-07 21:00:01]
  • 提交

answer

#include <iostream>
#include <cstring>
#include <algorithm>
#include <map>
#define fi first
#define se second
using namespace std;
const int N = 2e5 + 10;
typedef pair<int, int> PII;

PII pa[N];

void solve() {
    int n, L;
    scanf("%d%d", &n, &L);
    int un_def = 0;
    int idx = 0;
    map<int, int> mp;
    for (int i = 0; i < n; i++) {
        int x, y;
        scanf("%d%d", &x, &y);
        if (y == -1 && x == -1) un_def++;
        else {
            if (x == -1) x = y, mp[x] = 1;
            if (y == -1) y = x, mp[x] = 2;
            pa[idx++] = { x, y };
        }
    }
    sort(pa, pa + idx);
    for (int i = 1; i < idx; i++) {
        if (pa[i].fi <= pa[i - 1].se) {
            puts("NIE");
            return;
        }
    }
    int r = 0;
    // int st = L;
    // for (int i = 0; i < idx; i++) {
    //     if (i && pa[i - 1].se == -1) {
    //         //r += pa[i].fi - pa[i - 1].se - 1;
    //         r += pa[i - 1].fi - pa[i].fi - 1;
    //     } else if (pa[i].fi < st) {
    //         l += st - pa[i].fi;
    //     }
    //     if (pa[i].se != -1) {
    //         st = pa[i].se - 1;
    //     }
    // }
    // if (pa[idx - 1].se == -1) {
    //     r += pa[idx - 1].fi - 1;
    // } else l += pa[idx - 1].se - 1;
    int st = 1;
    for (int i = 0; i < idx; i++) {
        if (pa[i].fi > st) {
            if (mp[pa[i].fi] == 1) {
                r += pa[i].fi - st;
                st = pa[i].fi + 1;
            } else if (--un_def == -1) {
                puts("NIE");
                return;
            }
        }
        if (i + 1 == idx) break;
        if (mp[pa[i].fi] == 2) {
            st = pa[i + 1].fi;
            r += st - pa[i].fi - 1;
        } else {
            st = pa[i].se + 1;
        }
    }
    if (un_def <= r) puts("TAK");
    else puts("NIE");
}

int main() {
    int T;
    scanf("%d", &T);
    while (T--) {
        solve();
    }
    return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3932kb

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: 99ms
memory: 14608kb

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: 3672kb

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: 78ms
memory: 12572kb

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: 41ms
memory: 6396kb

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: 0
Accepted
time: 80ms
memory: 6380kb

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
NIE

result:

ok 4 lines

Test #7:

score: -100
Wrong Answer
time: 78ms
memory: 12668kb

input:

1
197884 400000
299276 299281
340251 -1
-1 350350
315166 -1
103436 103438
164740 164742
237539 -1
383864 -1
205194 -1
-1 -1
69029 69030
-1 -1
231837 231838
35835 35837
387743 -1
125024 -1
-1 -1
-1 -1
-1 -1
-1 283202
94212 94213
219223 219224
-1 -1
-1 139549
260062 -1
387170 387173
-1 328548
-1 -1
-1...

output:

TAK

result:

wrong answer 1st lines differ - expected: 'NIE', found: 'TAK'