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IDProblemSubmitterResultTimeMemoryLanguageFile sizeSubmit timeJudge time
#648918#9221. Missing Boundariesucup-team963#RE 0ms0kbC++142.2kb2024-10-17 20:57:332024-10-17 20:57:37

Judging History

你现在查看的是最新测评结果

  • [2024-10-17 20:57:37]
  • 评测
  • 测评结果:RE
  • 用时:0ms
  • 内存:0kb
  • [2024-10-17 20:57:33]
  • 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 && l != 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

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Test #1:

score: 0
Runtime Error

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:

1 40 1
TAK
1 0 3

result: