QOJ.ac

QOJ

IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#648908#9221. Missing Boundariesucup-team963#WA 95ms5380kbC++142.2kb2024-10-17 20:54:562024-10-17 20:54:57

Judging History

你现在查看的是最新测评结果

  • [2024-10-17 20:54:57]
  • 评测
  • 测评结果:WA
  • 用时:95ms
  • 内存:5380kb
  • [2024-10-17 20:54:56]
  • 提交

answer

#include <bits/stdc++.h>
#define rep(i,a,b) for(int i=(a);i<=(b);++i)
#define fi first
#define se second
#define pb push_back

using namespace std;
using ll = long long;
using pii = pair<int,int>;

const int N = 2e5 + 10;
int eval(pii pr) {
    if(pr.fi == -1) return pr.se;
    return pr.fi;
}

int mimi(pii pr) {
    if(pr.se == -1) return pr.fi; return pr.se;
}

signed main() {
    int T;
    cin >> T;
    while(T --) {
        int n, L;
        cin >> n >> L;
        int cnt = 0, cnt3 = 0;
        ll len = 0;
        bool flg = true;
        vector<pii> vec;
        set<int> s;
        rep(i,1,n) {
            int l, r; cin >> l >> r;
            if(l == -1 && r == -1) ++ cnt;
            else {
                if(l != -1  && r != -1) {
                    len += r - l + 1;
                } else {
                    ++ cnt3;
                }
                vec.pb({l, r});
            }
            // if(~l) { int sz = s.size(); s.insert(l); if(sz == s.size()) flg = false; }
            // if(~r) { int sz = s.size(); s.insert(r); if(sz == s.size()) flg = false; }
        }
        s.clear();
        // cout << flg << ' ' << len << ' ' << cnt << endl;
        if(len + cnt + cnt3 > L) flg = false;
        sort(vec.begin(), vec.end(), [&](pii x, pii y) {
            return eval(x) < eval(y);
        });

        int cnt2 = 0;
        if(vec[0].fi != -1 && vec[0].fi != 1) ++ cnt2;
        int sz = vec.size() - 1;
        if(vec[sz].se != L && vec[sz].se != -1) ++ cnt2;
        rep(i,0,sz-1) if(vec[i].se != -1 && vec[i + 1].fi != -1 && vec[i].se + 1 != vec[i + 1].fi) ++ cnt2;
        // if(cnt2 > cnt) flg = false;

        int r = 0;

        // for(pii x : vec) {
        //     if(eval(x) <= r) {
        //         flg = false;
        //         break;
        //     }
        //     r = max(mimi(x), r);
        // }

        // int l = L + 1;
        // for(auto it = vec.rbegin(); it != vec.rend(); ++ it) {
        //     if(mimi(*it) >= l) {
        //         flg = false;
        //         break;
        //     }
        //     l = min(l, eval(*it));
        // }


        cout << (flg ? "TAK" : "NIE") << endl;

    }
    return 0;
}

Details

Tip: Click on the bar to expand more detailed information

Test #1:

score: 100
Accepted
time: 0ms
memory: 3604kb

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: 95ms
memory: 5380kb

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: 3800kb

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: 74ms
memory: 5240kb

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: -100
Wrong Answer
time: 60ms
memory: 4700kb

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:

TAK
TAK

result:

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