Submission #332536

#	Time	Username	Problem	Language	Result	Execution time	Memory
332536		souvenir_vayne	Crtanje (COCI20_crtanje)	C++14	30 / 50	1 ms	384 KiB

crtanje

#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <chrono>
#define pb push_back
#define INF 0x3f3f3f3f
//#define LINF 0x3f3f3f3f3f3f3f3f
//#define endl '\n'
#define ll long long
#define f first
#define fin cin
#define fout cout
#define s second
#define FAST cin.tie(0), cout.tie(0), ios::sync_with_stdio(0)
#define debug(x) cout << "DEBUG " << x << endl
#define debug2(x, y) cout << "DEBUG " << x << " " << y << endl
#define debug3(x, y, z) cout << "DEBUG " << x << " " << y << " " << z<< endl
#define debug4(x, y, z, o) cout << "DEBUG " << x << " " << y << " " << z<< " " << o << endl
#define all(x) x.begin(), x.end()
#define left vadia
#define lb lower_bound
#define right puta
using namespace std;
using namespace __gnu_pbds;
void setIO(string s) {
  ios_base::sync_with_stdio(0); cin.tie(0);
  freopen((s+".in").c_str(),"r",stdin);
  freopen((s+".out").c_str(),"w",stdout);
}
typedef pair<ll, ll> pii;
typedef vector<vector<char>> mat;
typedef pair<int, string> pis;
const ll mod = 1e9+7;
typedef vector<int> vi;
typedef pair<int, pair<int, int>> piii;

char m[105][105];

int32_t main() {

    int n;
    cin >> n;

    string v;
    cin >> v;

    int ans = 99, big = 99;
    for(int i = 0; i < 100; i++) {
        int x = i, mx = i, deu = true;
        for(int j = 1; j < n; j++) {
            if(v[j] == '+' && v[j-1] == '+') x--;
            else if(v[j] == '-' && v[j-1] == '-') x++;
            else if(v[j] == '=' && v[j-1] == '+') x--;
            //else if(v[j] == '=' && v[j-1] == '-') x++;
            mx = max(x, mx);
            if(x < 0) {deu = false; break;}
        }
        if(deu) {ans = i; big = mx; break;}
    }

    memset(m, '.', sizeof m);
    for(int i = 0; i < n; i++) {
        if(i && v[i] == '+' && v[i-1] == '+') ans--;
        if(i && v[i] == '-' && v[i-1] == '-') ans++;
        else if(i && v[i] == '=' && v[i-1] == '+') ans--;
       // else if(i && v[i] == '=' && v[i-1] == '-') ans++;
        m[ans][i] = (v[i] == '+' ? '/' : (v[i] == '-' ? '\\' : '_'));
    }

    for(int i = 0; i <= big; cout << endl, i++)
        for(int j = 0; j < n; j++)
            cout << m[i][j];
}

Compilation message (stderr)

crtanje.cpp: In function 'void setIO(std::string)':
crtanje.cpp:26:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   26 |   freopen((s+".in").c_str(),"r",stdin);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
crtanje.cpp:27:10: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
   27 |   freopen((s+".out").c_str(),"w",stdout);
      |   ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 30 / 50