Submission #753524

#	Time	Username	Problem	Language	Result	Execution time	Memory
753524		ksu2009en	Costinland (info1cup19_costinland)	C++17	20 / 100	43 ms	216 KiB

costinland

#include <iostream>
#include <vector>
#include <string>
#include <math.h>
#include <cmath>
#include <iomanip>
#include <cstdio>
#include <algorithm>
#include <numeric>
#include <map>
#include <set>
#include <queue>
#include <stack>
#include <deque>
#include <bitset>
#include <cstring>
#include <unordered_map>

using namespace std;
typedef long long ll;

void print(vector<vector<char>>a){
    cout << a.size() << ' ' << a[0].size() << endl;
    for(auto i : a){
        for(auto j: i)
            cout << j;
        cout << endl;
    }
}
void print(vector<vector<ll>>a){
    for(auto i : a){
        for(auto j: i)
            cout << j << ' ';
        cout << endl;
    }
}

void move_right(ll i, ll j, ll val, vector<vector<ll>> &dp, vector<vector<char>> &a){
    for(int j2 = j + 1; j2 < dp[0].size(); j2++){
        if(a[i][j2] != '.' || (i == dp.size() - 1 && j2 == dp[0].size() - 1)){
            dp[i][j2] += val;
            break;
        }
    }
}
void move_down(ll i, ll j, ll val, vector<vector<ll>> &dp, vector<vector<char>> &a){
    for(int i2 = i + 1; i2 < dp.size(); i2++){
        if(a[i2][j] != '.' || (i2 == dp.size() - 1 && j == dp[0].size() - 1)){
            dp[i2][j] += val;
            break;
        }
    }
}


ll cnt(vector<vector<char>> a){
    vector<vector<ll>>dp(a.size(), vector<ll>(a[0].size()));
    
    dp[0][0] = 1;
    
    for(int i = 0; i < a.size(); i++){
        for(int j = 0; j < a[0].size(); j++){
            if(i == a.size() - 1 && j == a[0].size() - 1)
                break;
            if(a[i][j] == 'X' || a[i][j] == 'r'){
                move_right(i, j, dp[i][j], dp, a);
            }
            if(a[i][j] == 'X' || a[i][j] == 'd'){
                move_down(i, j, dp[i][j], dp, a);
            }
            
            dp[i][j] = 0;
            
            //cout << i << ' ' << j << endl;
            //print(dp);
        }
    }
    
    return dp[a.size() - 1][a[0].size() - 1];
}

int main(){
    ll t = 1;
    
    while(t--){
        ll a;
        cin >> a;
        
        if(a == 1){
            vector<vector<char>> d = {{'r', 'd'}, {'r', '.'}};
            print(d);
            break;
        }
        
        ll sz = 16;
        
        for(int mask = 0; mask < (1 << sz); mask++){
            vector<vector<char>>d(5, vector<char>(5));
            
            ll ind = 0;
            
            for(int i = 0; i < 5; i++){
                if(i == 4){
                    for(int j = 0; j < 5; j++){
                        d[i][j] = 'r';
                    }
                    d[4][4] = '.';
                    break;
                }
                for(int j = 0; j < 5; j++){
                    if(j == 4){
                        d[i][j] = 'd';
                        continue;
                    }
                    if((mask >> ind) % 2 != 0)
                        d[i][j] = 'X';
                    else
                        d[i][j] = '.';
                    ind++;
                }
            }
            
            //print(d);
            
            if(d[0][0] == '.')
                continue;
            
            if(cnt(d) == a){
                print(d);
                break;
            }
        }
    }
     
    return 0;
}

Compilation message (stderr)

costinland.cpp: In function 'void move_right(ll, ll, ll, std::vector<std::vector<long long int> >&, std::vector<std::vector<char> >&)':
costinland.cpp:39:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   39 |     for(int j2 = j + 1; j2 < dp[0].size(); j2++){
      |                         ~~~^~~~~~~~~~~~~~
costinland.cpp:40:34: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<std::vector<long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   40 |         if(a[i][j2] != '.' || (i == dp.size() - 1 && j2 == dp[0].size() - 1)){
      |                                ~~^~~~~~~~~~~~~~~~
costinland.cpp:40:57: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   40 |         if(a[i][j2] != '.' || (i == dp.size() - 1 && j2 == dp[0].size() - 1)){
      |                                                      ~~~^~~~~~~~~~~~~~~~~~~
costinland.cpp: In function 'void move_down(ll, ll, ll, std::vector<std::vector<long long int> >&, std::vector<std::vector<char> >&)':
costinland.cpp:47:28: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   47 |     for(int i2 = i + 1; i2 < dp.size(); i2++){
      |                         ~~~^~~~~~~~~~~
costinland.cpp:48:35: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   48 |         if(a[i2][j] != '.' || (i2 == dp.size() - 1 && j == dp[0].size() - 1)){
      |                                ~~~^~~~~~~~~~~~~~~~
costinland.cpp:48:57: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   48 |         if(a[i2][j] != '.' || (i2 == dp.size() - 1 && j == dp[0].size() - 1)){
      |                                                       ~~^~~~~~~~~~~~~~~~~~~
costinland.cpp: In function 'll cnt(std::vector<std::vector<char> >)':
costinland.cpp:61:22: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   61 |     for(int i = 0; i < a.size(); i++){
      |                    ~~^~~~~~~~~~
costinland.cpp:62:26: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   62 |         for(int j = 0; j < a[0].size(); j++){
      |                        ~~^~~~~~~~~~~~~
costinland.cpp:63:18: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::vector<char> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   63 |             if(i == a.size() - 1 && j == a[0].size() - 1)
      |                ~~^~~~~~~~~~~~~~~
costinland.cpp:63:39: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   63 |             if(i == a.size() - 1 && j == a[0].size() - 1)
      |                                     ~~^~~~~~~~~~~~~~~~~~

• Subtask 1: 20 / 20
• Subtask 2: 0 / 80