제출 #80885

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
80885		farukkastamonuda	Untitled (POI11_kon)	C++14	90 / 100	2591 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:13:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
  scanf("%d", &n);
  ~~~~~^~~~~~~~~~
kon.cpp:15:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &deg);
   ~~~~~^~~~~~~~~~~~
kon.cpp:17:9: 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