Submission #418256

#	Time	Username	Problem	Language	Result	Execution time	Memory
418256		FlippenFaz	Mechanical Doll (IOI18_doll)	C++11	Compilation error	0 ms	0 KiB

doll

#include <bits/stdc++.h>
using namespace std;

typedef long long ll;

vector<int> c;
vector<int> x;
vector<int> y;

vector<vector<int>> cons;

void connect(int start, int end) {
    if (c[start] == 0) {
        c[start] = end;
    } else if (c[start] > 0) {
        x.push_back( c[start] );
        y.push_back( end );
        c[start] = -x.size();
    } else {
        
    }
}

void create_circuit(int m, vector<int> a) {

    cons.resize(m+1);
    c.resize(m+1);

    int prev = 0;
    for (int i = 0; i < a.size(); i++) {
        cons[prev].push_back(a[i]);
        prev = a[i];
    }

    for (int i = 0; i < cons.size(); i++) {
        //cout << "I IS: " << i << endl;
        //cout << "CON SIZE IS: " << cons[i].size() << endl;
        if (cons[i].size() == 0) {
            c[i] = 0;
        } else if (cons[i].size() == 1) {
            c[i] = cons[i][0];
        } else { 

            cout << "CUR I: " << i;

            int offset = -x.size();
            c[i] = offset - 1;
            int added = pow(2,ceil(log2(cons[i].size()))) - 1;
            //cout << "ADDED: " << added;
            for (int j = 1; j < added+1; j++) {
                x.push_back( offset -j*2 );
                y.push_back( offset -j*2 - 1);
            }
            //cout << "HERE" << endl;
            int last = added/2+1;
            int start = x.size()-last;
            int cnt = 0;
            for (int j = start; j < x.size(); j++) {
                x[j] = -j-1;
                y[j] = cons[i][cnt++];
            }
            for (int j = start; cnt < cons[i].size(); j++) {
                x[j] = y[j];
                y[j] = cons[i][cnt++];
            }
            
        }
    }

    cout << x.size() << endl;
    for (int i = 0; i < c.size(); i++) {
        cout << c[i] << endl;
    }
    for (int i = 0; i < x.size(); i++) {
        cout << x[i] << " " << y[i] << endl;
    }    

}

int M, N;
int temp;
vector<int> inp;

int main() {

    cin >> M >> N;
    for (int i = 0; i < N; i++) {
        cin >> temp;
        inp.push_back(temp);
    }

    create_circuit(M, inp);

}

Compilation message (stderr)

doll.cpp: In function 'void create_circuit(int, std::vector<int>)':
doll.cpp:30:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   30 |     for (int i = 0; i < a.size(); i++) {
      |                     ~~^~~~~~~~~~
doll.cpp:35:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   35 |     for (int i = 0; i < cons.size(); i++) {
      |                     ~~^~~~~~~~~~~~~
doll.cpp:58:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   58 |             for (int j = start; j < x.size(); j++) {
      |                                 ~~^~~~~~~~~~
doll.cpp:62:37: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   62 |             for (int j = start; cnt < cons[i].size(); j++) {
      |                                 ~~~~^~~~~~~~~~~~~~~~
doll.cpp:71:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   71 |     for (int i = 0; i < c.size(); i++) {
      |                     ~~^~~~~~~~~~
doll.cpp:74:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   74 |     for (int i = 0; i < x.size(); i++) {
      |                     ~~^~~~~~~~~~
/usr/bin/ld: /tmp/ccjuPiWO.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/cc3apF3P.o:doll.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status