제출 #80887

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
80887		farukkastamonuda	무제 (POI11_kon)	C++14	90 / 100	3077 ms	132096 KiB

Main

#include <bits/stdc++.h>

#define fi first

#define se second

#define lo long long 

#define inf 1000000000

#define md 1000000007

#define li 5000

#define mp make_pair

#define pb push_back

using namespace std;

int n, deg, x, gg[li], tut[li], topla, cev, edge, sum, last;

int main(){
	scanf("%d", &n);
	
	for(int i = 1; i <= n; i ++){
		
		scanf("%d", &deg);
		
		for(int j = 1 ;j <= deg; j ++){
			
			scanf("%d", &x);
			
		}
		
		topla += deg;
		
		gg[deg] ++;
		
	}
	
	edge = topla / 2;
	
	//int last = 0;
	for(int i = n - 1; i >= 0; i --){
		
		for(int j = gg[i]; j >= 1 ; j --){
			
			tut[last ++] = i;
			
		}
	}
	//int sum = 0;
	for(int i = 0; i< n - 1; i ++){
		
		sum = sum + tut[i] - i;
		
		if(sum == edge){
			
			if(tut[i] == tut[i + 1]){
				
				cev += gg[ tut[i] ];
				
			}
			
			else cev += 1;
		} 
		
	}
	
	printf("%d\n", cev);
	
	return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

kon.cpp: In function 'int main()':
kon.cpp:24:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
  ~~~~~^~~~~~~~~~
kon.cpp:28:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &deg);
   ~~~~~^~~~~~~~~~~~
kon.cpp:32:9: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
    scanf("%d", &x);
    ~~~~~^~~~~~~~~~

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