結果
| 問題 |
No.239 にゃんぱすー
|
| コンテスト | |
| ユーザー |
|
| 提出日時 | 2021-11-14 21:14:04 |
| 言語 | C++17 (gcc 13.3.0 + boost 1.87.0) |
| 結果 |
AC
|
| 実行時間 | 49 ms / 2,000 ms |
| コード長 | 2,691 bytes |
| コンパイル時間 | 742 ms |
| コンパイル使用メモリ | 99,032 KB |
| 最終ジャッジ日時 | 2025-01-25 17:58:49 |
|
ジャッジサーバーID (参考情報) |
judge3 / judge3 |
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| ファイルパターン | 結果 |
|---|---|
| sample | AC * 4 |
| other | AC * 33 |
ソースコード
#include <iostream>
#include <algorithm>
#include <string>
#include <vector>
#include <map>
#include <unordered_map>
#include <set>
#include <unordered_set>
#include <queue>
using namespace std;
using ll = long long;
namespace cpio{
//IO library for Competitive-Programming
struct scanner {
private:
struct reader {
template <typename T> operator T() const {T buf; std::cin >> buf; return buf;}
};
public:
scanner() {std::cin.sync_with_stdio(false); std::cin.tie(nullptr);}
reader operator()() const {return reader();}
};
void yes(){
cout << "Yes\n";
}
void no(){
cout << "No\n";
}
}
namespace cpmath{
//Math library for Competitive-Programming
ll factorial(ll a, ll b = -1, const ll fmod = -1){
ll ans = 1;
if (fmod > 1) {
if (b == -1) for (ll i = a; i > 1; i--) ans = ((ans%fmod)*(i%fmod))%fmod;
else for (ll i = a; i >= b; i--) ans = ((ans%fmod)*(i%fmod))%fmod;
}
else{
if (b == -1) for (ll i = a; i > 1; i--) ans = ans*i;
else for(ll i = a; i >= b; i--) ans = ans*i;
}
return ans;
}
ll fastpow(ll m, ll p){
if (p == 0) return 1;
if (p%2 == 0){
ll t = fastpow(m, p/2);
return t*t;
}
return m*fastpow(m, p-1);
}
ll modpow(ll m, ll p, const ll fmod){
if (p == 0) return 1;
if (p%2 == 0){
ll t = modpow(m, p/2, fmod);
return (t*t)%fmod;
}
return (m*modpow(m, p-1, fmod))%fmod;
}
const ll mod97 = 1000000007;
const ll mod99 = 1000000009;
const ll mod89 = 998244353;
}
cpio::scanner in; //Declaration of inputclass
using cpio::yes;
using cpio::no;
using cpmath::mod89;
using cpmath::mod97;
using cpmath::mod99;
int main(){
int n = in();
string greeting[n][n];
for (int i = 0; i < n; i++){
for (int j = 0; j < n; j++){
cin >> greeting[i][j];
}
}
vector<bool> nyanpass(n, true);
for (int i = 0; i < n; i++){
for (int j = 0; j < n; j++){
if (greeting[i][j] != "nyanpass" && i != j){
cerr << i << " " << j << endl;
nyanpass[j] = false;
}
}
}
for (auto x : nyanpass){
cerr << x << " ";
}
cerr << endl;
int ans = 0;
for (int i = 0; i < n; i++){
if (nyanpass[i] == true){
if (ans == 0) ans = i+1;
else {cout << -1 << endl; return 0;}
}
}
if (ans == 0) cout << -1 << endl;
else cout << ans << endl;
}