提出 #57130314

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ソースコード 拡げる

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

#define pb push_back
#define mp make_pair
typedef long long ll;
typedef pair<int, int> pii;
typedef vector<int> vi;
typedef double DOUBLE;
typedef complex<double> point;
#define xx real()
#define yy imag()

#define REP(i, a, b) for(int i = (a); i < (int)(b); i++)
#define REPN(i, a, b) for(int i = (a); i <= (int)(b); i++)
#define FA(it, x) for(__typeof((x).begin()) it = (x).begin(); it != (x).end(); it++)
#define SZ(x) (int)(x).size()
#define BE(x) (x).begin(), (x).end()
#define SORT(x) sort(BE(x))
#define _1 first
#define _2 second

#define x0 gray_cat_x0
#define y0 gray_cat_y0
#define x1 gray_cat_x1
#define y1 gray_cat_y1
#define j0 gray_cat_j0

template<class T> T gcd(T a, T b) { return b ? gcd(b, a % b) : a; }

mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

#define file "I1"

const double EPS = 1e-9;
const double PI = acos(-1.);
const ll LL_INF = 1e17 + 16;
const int INF = 1e9 + 10;
// const ll MOD = 1e9 + 7;
const ll MOD = 998244353;

const int MAXN = 3e5 + 5;

int a[MAXN], b[MAXN];
int used_a[MAXN], used_b[MAXN];

void solve(){
	int n, k;
	scanf("%d%d", &n, &k);
	REPN(i, 1, n) {
		used_a[i] = used_b[i] = 0;
	}
	REPN(i, 1, n) {
		scanf("%d", &a[i]);
		used_a[a[i]] = 1;
	}
	REPN(i, 1, n) {
		scanf("%d", &b[i]);
		used_b[b[i]] = 1;
	}
	// Identical
	bool eq = true;
	REPN(i, 1, n) {
		if (a[i] != b[i]) {
			eq = false;
		}
	}
	if (eq) {
		printf("Yes\n");
		return;
	}
	// Missing value
	REPN(i, 1, n) {
		if (!used_a[b[i]]) {
			printf("No\n");
			return;
		}
	}
	// Permutation
	bool is_per = true;
	REPN(i, 1, n) {
		if (!used_b[i]) {
			is_per = false;
		}
	}
	if (is_per) {
		printf("No\n");
		return;
	}
	// k >= 2
	if (k >= 2) {
		printf("Yes\n");
		return;
	}
	// k == 1
	int ind_a = 0;
	for(int i = 1; i <= n; ) {
		for(ind_a++; ind_a <= n && a[ind_a] != b[i]; ind_a++);
		if (ind_a > n) {
			printf("No\n");
			return;
		}
		for(i++; i <= n && b[i] == b[i - 1]; i++);
	}
	printf("Yes\n");
}

int main(){
#ifndef ONLINE_JUDGE
    freopen("in.txt", "r", stdin);
    freopen("out.txt", "w", stdout);
#endif
    //freopen(file".in", "r", stdin); freopen(file".out", "w", stdout);
    int t = 1;
    cin >> t;
    while(t--){
        solve();
    }
}

提出情報

コンパイルエラー

Main.cpp: In function ‘void solve()’:
Main.cpp:49:14: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   49 |         scanf("%d%d", &n, &k);
      |         ~~~~~^~~~~~~~~~~~~~~~
Main.cpp:54:22: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   54 |                 scanf("%d", &a[i]);
      |                 ~~~~~^~~~~~~~~~~~~
Main.cpp:58:22: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   58 |                 scanf("%d", &b[i]);
      |                 ~~~~~^~~~~~~~~~~~~

ジャッジ結果