Submission #85724

#	Time	Username	Problem	Language	Result	Execution time	Memory
85724		leejseo	매트 (KOI15_mat)	C++14	Compilation error	0 ms	0 KiB

mat

#include<bits/stdc++.h>
 
using namespace std;
 
int N, W, rst;
 
class Line {
    public:
        int x, i;
        bool r;
        Line(int x, int i, bool r): this->x(x), this->i(i), this->r(r) {}
        bool operator < (const Line &l) const {
            return this->x < l.x;
        }
};
 
class Mat {
    public:
        int P, L, R, H, K;
        Mat(int P, int L, int R, int H, int K): this->P(P), this->L(L), this->R(R), this->H(H), this->K(K) {}
        bool meet(const Mat &M) const {
            if (this->R <= M.L || this->L >= M.R) return false;
            if (this->P == M.P) return true;
            return this->H + M.H > W;
        }
        bool operator < (const Mat &M) const {
            return this->R != M.R ? this->R < M.R : this->L < M.L;
        }
};
 
vector<Mat> A;
vector<Line> B;
int D[3001][6001];
 
int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr); cout.tie(nullptr);
    cin >> N >> W;
    for (int i = 0; i < N; i++) {
        int P, L, R, H, K;
        cin >> P >> L >> R >> H >> K;
        A.push_back(Mat(P, L, R, H, K));
    }
    sort(A.begin(), A.end());
    for (int i = 0; i < N; i++) {
        B.push_back(Line(i, A[i].L, false));
        B.push_back(Line(i, A[i].R, true));
    }
    sort(B.begin(), B.end());
    for (int i = 0; i < N; i++) {
        for (int j = 0; j < 2*N; j++) {
            if (B[j].x > A[i].R) break;
            D[i][j] = A[i].K;
            if (j > 0) D[i][j] = max(D[i][j], D[i][j-1]);
            if (B[j].r) {
                int k = B[j].i;
                if (A[k].R <= A[i].L) {
                    D[i][j] = max(D[i][j], D[k][j] + A[i].K);
                } else if (!A[i].meet(A[k])) {
                    if (A[k].L < A[i].L) {
                        int h = upper_bound(B.begin(), B.end(), Line(-1, A[i].L, 0)) - B.begin();
                        D[i][j] = max(D[i][j], D[k][h-1] + A[i].K);
                    } else {
                        int h = upper_bound(B.begin(), B.end(), Line(-1, A[k].L, 0)) - B.begin();
                        D[i][j] = max(D[i][j], D[i][h-1] + A[k].K);
                    }
                }
            }
            rst = max(D[i][j], rst);
        }
    }
    cout << rst;
    return 0;
}

Compilation message (stderr)

mat.cpp: In constructor 'Line::Line(int, int, bool)':
mat.cpp:11:37: error: expected identifier before 'this'
         Line(int x, int i, bool r): this->x(x), this->i(i), this->r(r) {}
                                     ^~~~
mat.cpp:11:37: error: expected '{' before 'this'
mat.cpp: In constructor 'Mat::Mat(int, int, int, int, int)':
mat.cpp:20:49: error: expected identifier before 'this'
         Mat(int P, int L, int R, int H, int K): this->P(P), this->L(L), this->R(R), this->H(H), this->K(K) {}
                                                 ^~~~
mat.cpp:20:49: error: expected '{' before 'this'