提出 #26957919

---

ソースコード 拡げる

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

#define nl "\n"
#define nf endl
#define ll long long
#define pb push_back
#define _ << ' ' <<

#define INF (ll)1e18
#define mod 998244353
#define maxn 600010

ll i, i1, j, k, k1, t, n, m, res, flag[10], a, b;
ll f[3][3], rs[maxn];
char s[maxn];

void find(ll ty, ll cn, ll a, ll b, ll c) {
    ll i, k;
    array<ll, 3> o = {a, b, c};
    for (i = 0; i < 3 * n; i++) {
        if (i % n == 0) k = cn;
        if (k == 0) continue;
        if (rs[i] != 0) continue;
        if ((ll)s[i] - 'A' != o[i / n]) continue;
        rs[i] = ty; k--; f[i / n][(ll)s[i] - 'A']--;
    }
}

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);

    #if !ONLINE_JUDGE && !EVAL
        ifstream cin("input.txt");
        ofstream cout("output.txt");
    #endif

    cin >> n;
    for (i = 0; i < 3 * n; i++) {
        cin >> s[i];
        f[i / n][(ll)s[i] - 'A']++;
    }

    /* for (i = 0; i <= 2; i++) {
        for (j = 0; j <= 2; j++) {
            cout << f[i][j] << ' ';
        }
        cout << nl;
    } */

    find(1, min({f[0][0], f[1][1], f[2][2]}), 0, 1, 2);
    find(2, min({f[0][1], f[1][2], f[2][0]}), 1, 2, 0);
    find(3, min({f[0][2], f[1][0], f[2][1]}), 2, 0, 1);
    find(4, min({f[0][0], f[1][2], f[2][1]}), 0, 2, 1);
    find(5, min({f[0][1], f[1][0], f[2][2]}), 1, 0, 2);
    find(6, min({f[0][2], f[1][1], f[2][0]}), 2, 1, 0);

    for (i = 0; i < 3 * n; i++) cout << rs[i];
    cout << nl;

    return 0;
}

提出情報

コンパイルエラー

./Main.cpp: In function ‘void find(long long int, long long int, long long int, long long int, long long int)’:
./Main.cpp:26:22: warning: ‘k’ may be used uninitialized in this function [-Wmaybe-uninitialized]
   26 |         rs[i] = ty; k--; f[i / n][(ll)s[i] - 'A']--;
      |                     ~^~

ジャッジ結果