Submission #520720

#	Time	Username	Problem	Language	Result	Execution time	Memory
520720		peti1234	Split the Attractions (IOI19_split)	C++17	Compilation error	0 ms	0 KiB

split

#include <bits/stdc++.h>

using namespace std;
int n, m, db[4];
vector<int> valasz, el[100000];

void dfs(int a, int ert) {
    if (!db[ert]) return;
    valasz[a]=ert;
    db[ert]--;
    for (auto x:el[a]) {
        if (!valasz[x]) {
            dfs(x, ert);
        }
    }
}

vector<int> find_split(int n, int a, int b, int c, vector<int> p, vector<int> q) {
    int m=p.size();
    db[1]=a, db[2]=b, db[3]=c;
    for (int i=0; i<m; i++) {
        int x=p[i], y=q[i];
        el[x].push_back(y), el[y].push_back(x);
    }
    valasz.resize(n);

    // 2
    if (a==1) {
        dfs(0, 2);
        for (int i=0; i<n; i++) {
            if (!valasz[i]) {
                if (db[1]) {
                    valasz[i]=1;
                    db[1]--;
                } else {
                    valasz[i]=3;
                    db[3]--;
                }
            }
        }
        return valasz;
    }

    // 1
    if (m<n) {
        // lanc
        for (int i=0; i<n; i++) {
            if (el[i].size()==1) {
                if (db[1]) {
                    dfs(i, 1);
                } else {
                    dfs(i, 2);
                }
            }
        }
    } else {
        // kor
        dfs(0, 1);
        for (int i=0; i<n; i++) {
            if (!valasz[i] && db[2]) {
                dfs(i, 2);
            }
        }
    }
    for (int i=0; i<n; i++) {
        if (!valasz[i]) {
            valasz[i]=3;
            db[3]--;
        }
    }
    return valasz;
}
int main() {
    return 0;
}
/*
int b1, b2, b3, b4, b5;
vector<int> b6, b7, b8;
int main()
{
    cin >> b1 >> b2 >> b3 >> b4 >> b5;
    for (int i=1; i<=b2; i++) {int x; cin >> x; b6.push_back(x);}
    for (int i=1; i<=b2; i++) {int x; cin >> x; b7.push_back(x);}
    b8=find_split(b1, b3, b4, b5, b6, b7);
    for (int i=0; i<b8.size(); i++) cout << b8[i] << " ";
    return 0;
}
*/
/*
9 10 3 3 3
0 0 0 0 0 0 1 2 4 5
1 3 4 6 7 8 2 3 5 6
*/

Compilation message (stderr)

/usr/bin/ld: /tmp/ccqWCOV3.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccU2QQk4.o:split.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status