結果

問題 No.468 役に立つ競技プログラミング実践編
ユーザー tailstails
提出日時 2016-12-18 01:40:44
言語 C90
(gcc 11.4.0)
結果
AC  
実行時間 108 ms / 2,000 ms
コード長 534 bytes
コンパイル時間 675 ms
コンパイル使用メモリ 23,592 KB
実行使用メモリ 20,352 KB
最終ジャッジ日時 2023-08-21 00:23:01
合計ジャッジ時間 3,721 ms
ジャッジサーバーID
（参考情報） 		judge12 / judge15
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テストケース

テストケース表示
入力 結果 実行時間
実行使用メモリ
testcase_00 AC 4 ms
16,232 KB
testcase_01 AC 4 ms
16,232 KB
testcase_02 AC 3 ms
16,180 KB
testcase_03 AC 4 ms
16,196 KB
testcase_04 AC 4 ms
16,180 KB
testcase_05 AC 4 ms
16,228 KB
testcase_06 AC 3 ms
16,332 KB
testcase_07 AC 4 ms
16,236 KB
testcase_08 AC 4 ms
16,184 KB
testcase_09 AC 4 ms
16,180 KB
testcase_10 AC 3 ms
16,292 KB
testcase_11 AC 3 ms
16,320 KB
testcase_12 AC 3 ms
16,116 KB
testcase_13 AC 3 ms
16,180 KB
testcase_14 AC 4 ms
16,232 KB
testcase_15 AC 4 ms
16,128 KB
testcase_16 AC 4 ms
16,256 KB
testcase_17 AC 4 ms
16,244 KB
testcase_18 AC 5 ms
16,236 KB
testcase_19 AC 4 ms
16,128 KB
testcase_20 AC 4 ms
16,248 KB
testcase_21 AC 4 ms
16,196 KB
testcase_22 AC 4 ms
16,236 KB
testcase_23 AC 4 ms
16,132 KB
testcase_24 AC 107 ms
16,456 KB
testcase_25 AC 107 ms
18,128 KB
testcase_26 AC 106 ms
18,112 KB
testcase_27 AC 107 ms
16,524 KB
testcase_28 AC 108 ms
16,584 KB
testcase_29 AC 107 ms
18,080 KB
testcase_30 AC 106 ms
18,104 KB
testcase_31 AC 108 ms
18,024 KB
testcase_32 AC 105 ms
16,576 KB
testcase_33 AC 106 ms
16,576 KB
testcase_34 AC 34 ms
20,352 KB
testcase_35 AC 4 ms
16,240 KB
testcase_36 AC 3 ms
16,324 KB
権限があれば一括ダウンロードができます
コンパイルメッセージ
main.c:1:9: warning: type defaults to ‘int’ in declaration of ‘A’ [-Wimplicit-int]
 typedef A[500010];
         ^
main.c:4:1: warning: data definition has no type or storage class
 i,n,m,y;
 ^
main.c:4:1: warning: type defaults to ‘int’ in declaration of ‘i’ [-Wimplicit-int]
main.c:4:3: warning: type defaults to ‘int’ in declaration of ‘n’ [-Wimplicit-int]
 i,n,m,y;
   ^
main.c:4:5: warning: type defaults to ‘int’ in declaration of ‘m’ [-Wimplicit-int]
 i,n,m,y;
     ^
main.c:4:7: warning: type defaults to ‘int’ in declaration of ‘y’ [-Wimplicit-int]
 i,n,m,y;
       ^
main.c:6:1: warning: return type defaults to ‘int’ [-Wimplicit-int]
 f(a,j){
 ^
main.c: In function ‘f’:
main.c:6:1: warning: type of ‘a’ defaults to ‘int’ [-Wimplicit-int]
main.c:6:1: warning: type of ‘j’ defaults to ‘int’ [-Wimplicit-int]
main.c: At top level:
main.c:18:1: warning: return type defaults to ‘int’ [-Wimplicit-int]
 g(b,j){
 ^
main.c: In function ‘g’:
main.c:18:1: warning: type of ‘b’ defaults to ‘int’ [-Wimplicit-int]
main.c:18:1: warning: type of ‘j’ defaults to ‘int’ [-Wimplicit-int]
main.c: At top level:
main.c:30:1: warning: return type defaults to ‘int’ [-Wimplicit-int]
 main(e){
 ^~~~
main.c: In function ‘main’:
main.c:30:1: warning: type of ‘e’ defaults to ‘int’ [-Wimplicit-int]
main.c:31:2: warning: implicit declaration of function ‘scanf’ [-Wimplicit-function-declaration]
  scanf("%d%d",&n,&m);
  ^~~~~
main.c:31:2: warning: incompatible implicit declaration of built-in function ‘scanf’
main.c:31:2: note: include ‘<stdio.h>’ or provide a declaration of ‘scanf’
main.c:1:1:
+#include <stdio.h>
 typedef A[500010];
main.c:31:2:
  scanf("%d%d",&n,&m);
  ^~~~~
main.c:42:5: warning: implicit declaration of function ‘printf’ [-Wimplicit-function-declaration]
  n=!printf("%d %d/%d",t[n-1],n-y,n);
     ^~~~~~
main.c:42:5: warning: incompatible implicit declaration o

ソースコード

diff # 

typedef A[500010];
A a,b,c,la,lb,li;
A sa,sb,d={1},t;
i,n,m,y;

f(a,j){
	if(t[a]<j){
		t[a]=j;
	}
	if(!--d[a]){
		for(j=sa[a];j;j=la[j]){
			i=li[j];
			f(b[i],t[a]+c[i]);
		}
	}
}

g(b,j){
	if(!d[b]++){
		++y;
		for(j=sb[b];j;j=lb[j]){
			i=li[j];
			if(t[a[i]]==t[b]-c[i]){
				g(a[i]);
			}
		}
	}
}

main(e){
	scanf("%d%d",&n,&m);
	for(i=0;i<m;++i){
		scanf("%d%d%d",a+i,b+i,c+i);
		la[e]=sa[a[i]];sa[a[i]]=e;
		lb[e]=sb[b[i]];sb[b[i]]=e;
		li[e]=i;
		++e;
		++d[b[i]];
	}
	f(0,0);
	g(n-1);
	n=!printf("%d %d/%d",t[n-1],n-y,n);
}
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