제출 #158932

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
158932		aviroop123	Zamjena (COCI18_zamjena)	C++14	70 / 70	136 ms	14388 KiB

zamjena

#include "bits/stdc++.h"
using namespace std;
#define pb push_back
// #define int long long
typedef long long ll;
#define fi first
#define se second
#define pii pair<int,int>
#define endl '\n'
#define fr(i, a, b) for(int i = a; i <= b; i++)
#define sz(s) (int)s.size()
#define y1 fdfbvfds
typedef long double f80;
#define all(x) x.begin(), x.end()
 
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
ll rand(ll l,ll r){
    uniform_int_distribution<ll> uid(l, r);
    return uid(rng);
}

const int mod = 1e9 + 7;
int pwr(int a,ll b) {
    int ans = 1;
    while(b) {
        if(b & 1) {
            ans = ((ll)ans * a) % mod;
        }
        a = ((ll)a * a) % mod;
        b >>= 1;
    }
    return ans;
}

const int N = 1e5 + 5;
vector<int> g[N];
string a[N], b[N];

map<string,int> m;
bool vis[N];

void dfs(int u) {
    vis[u] = 1;
    for(int v : g[u]) {
        if(!vis[v]) {
            dfs(v);
        }
    }
}

signed main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(NULL);
    cout.tie(NULL);
    int n;
    cin >> n;
    fr(i, 1, n) {
        cin >> a[i];
        m[a[i]] = 0;
    }
    fr(i, 1, n) {
        cin >> b[i];
        m[b[i]] = 0;
    }
    int cc = 1000;
    for(auto &it : m) {
        it.se = ++cc;
    }
    fr(i, 1, n) {
        int x1 = 0, x2 = 0;
        bool dec1 = 0, dec2 = 0;
        if(a[i][0] >= '0' && a[i][0] <= '9') {
            dec1 = 1;
            x1 = stoi(a[i]);
        }
        else {
            x1 = m[a[i]];
        }
        if(b[i][0] >= '0' && b[i][0] <= '9') {
            dec2 = 1;
            x2 = stoi(b[i]);
        }
        else {
            x2 = m[b[i]];
        }
        g[x1].pb(x2);
        g[x2].pb(x1);
    }
    fr(i, 0, 1000) {
        if(!vis[i]) {
            dfs(i);
        }
        else {
            cout << "NE";
            return 0;
        }
    }
    cout << "DA" << endl;
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

zamjena.cpp: In function 'int main()':
zamjena.cpp:72:14: warning: variable 'dec1' set but not used [-Wunused-but-set-variable]
         bool dec1 = 0, dec2 = 0;
              ^~~~
zamjena.cpp:72:24: warning: variable 'dec2' set but not used [-Wunused-but-set-variable]
         bool dec1 = 0, dec2 = 0;
                        ^~~~

• Subtask 1: 14 / 14
• Subtask 2: 14 / 14
• Subtask 3: 14 / 14
• Subtask 4: 14 / 14
• Subtask 5: 14 / 14