제출 #88126

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
88126		jasony123123	Cezar (COCI16_cezar)	C++11	30 / 100	2 ms	556 KiB

cezar

#include <stdio.h>
#include <queue>
using namespace std;

int N,P[111]; char S[111][111],ans[30];
bool f[26][26]; int d[26];

int main()
{
	scanf ("%d",&N);
	for (int i=1;i<=N;i++) scanf ("%s",S[i]);
	for (int i=1;i<=N;i++) scanf ("%d",&P[i]);

	bool good = 1;
	for (int i=2;i<=N;i++){
		for (int j=0;;j++){
			if (S[P[i-1]][j] == 0) break;
			if (S[P[i]][j] == 0) good = 0;
			if (S[P[i-1]][j] != S[P[i]][j]){
				f[S[P[i-1]][j]-'a'][S[P[i]][j]-'a'] = 1;
				break;
			}
		}
	}

	for (int i=0;i<26;i++) for (int j=0;j<26;j++) if (f[i][j]) d[j]++;
	
	queue<int> Q;
	for (int i=0;i<26;i++) if (d[i] == 0) Q.push(i);

	int c = 0;
	while (!Q.empty()){
		int x = Q.front(); Q.pop();
		ans[x] = c + 'a'; c++;
		for (int y=0;y<26;y++) if (f[x][y]){
			if (--d[y] == 0) Q.push(y);
		}
	}
	if (c < 26) good = 0;

	if (good){
		puts("DA");
		puts(ans);
	}
	else{
		puts("NE");
	}
	return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

cezar.cpp: In function 'int main()':
cezar.cpp:10:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf ("%d",&N);
  ~~~~~~^~~~~~~~~
cezar.cpp:11:31: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for (int i=1;i<=N;i++) scanf ("%s",S[i]);
                         ~~~~~~^~~~~~~~~~~
cezar.cpp:12:31: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  for (int i=1;i<=N;i++) scanf ("%d",&P[i]);
                         ~~~~~~^~~~~~~~~~~~

• Subtask 1: 0 / 10
• Subtask 2: 0 / 10
• Subtask 3: 10 / 10
• Subtask 4: 0 / 10
• Subtask 5: 0 / 10
• Subtask 6: 10 / 10
• Subtask 7: 10 / 10
• Subtask 8: 0 / 10
• Subtask 9: 0 / 10
• Subtask 10: 0 / 10