AtCoder Beginner Contest 002

Submission #333521

Source codeソースコード

#include<stdio.h>
#include<stdlib.h>
 
int main(void){
	int N, M, i, j, k, x, y, count, max;
	int *pair;
	max=1;
	
	scanf("%d %d", &N, &M);
	pair = (int *) calloc(N*N, sizeof(int));
	for(i=0;i<N;i++)pair[i*N+i]=1;
	
	for(i=0; i<M;i++){
	   scanf("%d %d", &x, &y);
	   pair[(x-1)*N+y-1]=1;
	   pair[(y-1)*N+x-1]=1;
	}
 
	/*for(i=0;i<N;i++){
		for(j=0;j<N;j++){
			printf("%d ",pair[i*N+j]);
		}
		printf("\n");
	}*/
	for(i=1; i<= (1<<N)-1; i++){
		int flag=1;
		count = 0;
		for(j=0; j<N; j++){
			if(i&(1<<j)){
				for(k=0; k<N; k++){
					if(i&(1<<k) && pair[j*N+k]==0) flag = 0;
				}
			}
		}
		if(flag==1) for(k=0;k<N;k++)if(i&(1<<k))count++;
		if(count > max) max = count;
	}
	printf("%d\n", max);
	return 0;
}

Submission

Task問題 D - 派閥
User nameユーザ名 E231moha
Created time投稿日時
Language言語 C (GCC 4.6.4)
Status状態 AC
Score得点 100
Source lengthソースコード長 754 Byte
File nameファイル名
Exec time実行時間 33 ms
Memory usageメモリ使用量 984 KB

Compiler messageコンパイルメッセージ

./Main.c: In function ‘main’:
./Main.c:9:7: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]
./Main.c:14:10: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result]

Test case

Set

Set name Score得点 / Max score Cases
all 100 / 100 00_sample_01.txt,00_sample_02.txt,00_sample_03.txt,00_sample_04.txt,test_01.txt,test_02.txt,test_03.txt,test_04.txt,test_05.txt,test_06.txt,test_07.txt,test_08.txt,test_09.txt,test_10.txt,test_11.txt,test_12.txt,test_13.txt,test_14.txt,test_15.txt,test_16.txt,test_17.txt,test_18.txt,test_19.txt,test_20.txt,test_21.txt,test_22.txt,test_23.txt,test_24.txt,test_25.txt,test_26.txt,test_27.txt,test_28.txt,test_29.txt,test_30.txt,test_31.txt,test_32.txt,test_33.txt,test_34.txt,test_35.txt,test_36.txt,test_37.txt,test_38.txt,test_39.txt,test_40.txt,test_41.txt,test_42.txt,test_43.txt,test_44.txt,test_45.txt,test_46.txt,test_47.txt,test_48.txt,test_49.txt,test_50.txt,test_51.txt,test_52.txt,test_53.txt,test_54.txt,test_55.txt,test_56.txt,test_57.txt,test_58.txt,test_59.txt,test_60.txt,test_61.txt,test_62.txt,test_63.txt,test_64.txt,test_65.txt,test_66.txt,test_67.txt,test_68.txt,test_69.txt,test_70.txt

Test case

Case name Status状態 Exec time実行時間 Memory usageメモリ使用量
00_sample_01.txt AC 27 ms 852 KB
00_sample_02.txt AC 27 ms 908 KB
00_sample_03.txt AC 26 ms 932 KB
00_sample_04.txt AC 33 ms 856 KB
test_01.txt AC 30 ms 920 KB
test_02.txt AC 26 ms 880 KB
test_03.txt AC 27 ms 908 KB
test_04.txt AC 25 ms 896 KB
test_05.txt AC 26 ms 860 KB
test_06.txt AC 26 ms 844 KB
test_07.txt AC 26 ms 916 KB
test_08.txt AC 27 ms 856 KB
test_09.txt AC 28 ms 920 KB
test_10.txt AC 26 ms 860 KB
test_11.txt AC 27 ms 916 KB
test_12.txt AC 29 ms 856 KB
test_13.txt AC 27 ms 900 KB
test_14.txt AC 25 ms 888 KB
test_15.txt AC 26 ms 908 KB
test_16.txt AC 26 ms 860 KB
test_17.txt AC 28 ms 924 KB
test_18.txt AC 27 ms 912 KB
test_19.txt AC 28 ms 900 KB
test_20.txt AC 28 ms 892 KB
test_21.txt AC 27 ms 900 KB
test_22.txt AC 26 ms 856 KB
test_23.txt AC 27 ms 876 KB
test_24.txt AC 27 ms 844 KB
test_25.txt AC 27 ms 872 KB
test_26.txt AC 26 ms 896 KB
test_27.txt AC 25 ms 916 KB
test_28.txt AC 26 ms 860 KB
test_29.txt AC 27 ms 936 KB
test_30.txt AC 25 ms 892 KB
test_31.txt AC 29 ms 924 KB
test_32.txt AC 30 ms 964 KB
test_33.txt AC 28 ms 920 KB
test_34.txt AC 31 ms 904 KB
test_35.txt AC 28 ms 912 KB
test_36.txt AC 28 ms 892 KB
test_37.txt AC 28 ms 900 KB
test_38.txt AC 28 ms 912 KB
test_39.txt AC 28 ms 912 KB
test_40.txt AC 27 ms 900 KB
test_41.txt AC 31 ms 876 KB
test_42.txt AC 28 ms 868 KB
test_43.txt AC 31 ms 844 KB
test_44.txt AC 28 ms 892 KB
test_45.txt AC 28 ms 896 KB
test_46.txt AC 31 ms 972 KB
test_47.txt AC 28 ms 912 KB
test_48.txt AC 28 ms 892 KB
test_49.txt AC 28 ms 920 KB
test_50.txt AC 27 ms 972 KB
test_51.txt AC 31 ms 896 KB
test_52.txt AC 28 ms 892 KB
test_53.txt AC 28 ms 908 KB
test_54.txt AC 28 ms 916 KB
test_55.txt AC 28 ms 868 KB
test_56.txt AC 30 ms 896 KB
test_57.txt AC 29 ms 912 KB
test_58.txt AC 28 ms 876 KB
test_59.txt AC 27 ms 880 KB
test_60.txt AC 28 ms 852 KB
test_61.txt AC 28 ms 932 KB
test_62.txt AC 25 ms 840 KB
test_63.txt AC 27 ms 892 KB
test_64.txt AC 30 ms 984 KB
test_65.txt AC 30 ms 888 KB
test_66.txt AC 29 ms 900 KB
test_67.txt AC 30 ms 932 KB
test_68.txt AC 30 ms 880 KB
test_69.txt AC 31 ms 960 KB
test_70.txt AC 29 ms 892 KB