結果

問題 No.489 株に挑戦
ユーザー tails
提出日時 2017-02-25 00:24:27
言語 C90
(gcc 12.3.0)
結果
AC  
実行時間 20 ms / 1,000 ms
コード長 678 bytes
コンパイル時間 754 ms
コンパイル使用メモリ 21,504 KB
実行使用メモリ 6,948 KB
最終ジャッジ日時 2024-07-19 23:15:11
合計ジャッジ時間 2,229 ms
ジャッジサーバーID
(参考情報)
judge1 / judge5
このコードへのチャレンジ
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ファイルパターン 結果
sample AC * 3
other AC * 35
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:1:1: warning: data definition has no type or storage class
    1 | X[0x40000];
      | ^
main.c:1:1: warning: type defaults to ‘int’ in declaration of ‘X’ [-Wimplicit-int]
main.c:3:1: warning: return type defaults to ‘int’ [-Wimplicit-int]
    3 | f(i,j){
      | ^
main.c: In function ‘f’:
main.c:3:1: warning: type of ‘i’ defaults to ‘int’ [-Wimplicit-int]
main.c:3:1: warning: type of ‘j’ defaults to ‘int’ [-Wimplicit-int]
main.c: In function ‘main’:
main.c:24:9: warning: implicit declaration of function ‘scanf’ [-Wimplicit-function-declaration]
   24 |         scanf("%d%d%d",&n,&d,&k);
      |         ^~~~~
main.c:1:1: note: include ‘<stdio.h>’ or provide a declaration of ‘scanf’
  +++ |+#include <stdio.h>
    1 | X[0x40000];
main.c:24:9: warning: incompatible implicit declaration of built-in function ‘scanf’ [-Wbuiltin-declaration-mismatch]
   24 |         scanf("%d%d%d",&n,&d,&k);
      |         ^~~~~
main.c:24:9: note: include ‘<stdio.h>’ or provide a declaration of ‘scanf’
main.c:44:33: warning: implicit declaration of function ‘printf’ [-Wimplicit-function-declaration]
   44 |                                 printf("%lld\n%d %d\n",1ll*b*k,i,j1);
      |                                 ^~~~~~
main.c:44:33: note: include ‘<stdio.h>’ or provide a declaration of ‘printf’
main.c:44:33: warning: incompatible implicit declaration of built-in function ‘printf’ [-Wbuiltin-declaration-mismatch]
main.c:44:33: note: include ‘<stdio.h>’ or provide a declaration of ‘printf’
main.c:45:33: warning: implicit declaration of function ‘exit’ [-Wimplicit-function-declaration]
   45 |                                 exit(0);
      |                                 ^~~~
main.c:1:1: note: include ‘<stdlib.h>’ or provide a declaration of ‘exit’
  +++ |+#include <stdlib.h>
    1 | X[0x40000];
main.c:45:33: warning: incompatible implicit declaration of built-in function ‘exit’ [-W

ソースコード

diff #
プレゼンテーションモードにする

X[0x40000];
f(i,j){
int b=1e9;
while(i<=j){
if(i&1){
if(b>X[i])b=X[i];
++i;
}
if(!(j&1)){
if(b>X[j])b=X[j];
--j;
}
i=0x20000|i>>1;
j=0x20000|j>>1;
}
return b;
}
int main(){
int i,j,n,d,k,b;
int j0,j1;
scanf("%d%d%d",&n,&d,&k);
for(i=0;i<n;++i){
scanf("%d",&X[i]);
}
for(i=0;i<0x20000;++i){
int x0=X[i<<1|0];
int x1=X[i<<1|1];
X[i|0x20000]=x0<x1?x0:x1;
}
b=0;
for(i=0;i<n;++i){
int z=f(j=i-d<0?0:i-d,i);
int c=X[i]-f(j=i-d<0?0:i-d,i);
if(b<c) b=c,j1=i;
}
if(b){
for(i=j1-d<0?0:j1-d;i<j1;++i){
if (b==X[j1]-X[i]){
printf("%lld\n%d %d\n",1ll*b*k,i,j1);
exit(0);
}
}
}else{
puts("0");
}
return 0;
}
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