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ID	题目	提交者	结果	用时	内存	语言	文件大小	提交时间	测评时间
#735521	#7781. Sheep Eat Wolves	Suhy^#	TL	0ms	1632kb	C++17	969b	2024-11-11 20:30:07	2024-11-11 20:30:09

Judging History

你现在查看的是最新测评结果

[2024-11-11 20:30:09]
评测

测评结果：TL
用时：0ms
内存：1632kb

查看

[2024-11-11 20:30:07]
提交

answer

#include<cstdio>
int x,y,p,q;//sheep,wolf,seat,,safe right
int gans(){
    y-=q;
    if(y<=0)return 2*((x+p-1)/p)-1;
    if(x<=p)return 1;
    if(x-p+y-p<=p)return 3;
    if(y-p<=x&&(p>>1)+p>=x)return 5;
    int P=p;
    if(y-q>x)p-=y-q-x,y-=y-q-x;
    if(y-p>x)return -1;
    if(p<=0)return -1;
    int ans=0;
    if(x<y){
        ++ans;
        if(y-q==x){
            y-=q;
            x-=(p-q)>>1;
            y-=(p-q)>>1;
            q=0;
        }else{
            int k=y-x;
            y-=k;q-=k;
            x-=(p-k)>>1;
            y-=(p-k)>>1;
            if((p-k)&1)--x,--q;
        }
    }
    while(x){
        ++ans;
        if(x<=P)x=0;
        else{
            x-=p>>1;
            y-=p>>1;
            if((p&1)){
                if(q)--y;
                else --x;
            }
        }
    }
    return 2*ans-1;
}
int main(){
    scanf("%d%d%d%d",&x,&y,&p,&q);
    printf("%d",gans());
    return 0;
}

源文件, 语言: C++17

詳細信息

Test #1:

score: 100

Accepted

time: 0ms

memory: 1632kb

input:

4 4 3 1

output:

result:

ok 1 number(s): "3"

Test #2:

score: 0

Accepted

time: 0ms

memory: 1632kb

input:

3 5 2 0

output:

result:

ok 1 number(s): "5"

Test #3:

score: 0

Accepted

time: 0ms

memory: 1620kb

input:

2 5 1 1

output:

-1

result:

ok 1 number(s): "-1"

Test #4:

score: 0

Accepted

time: 0ms

memory: 1476kb

input:

1 1 1 0

output:

result:

ok 1 number(s): "1"

Test #5:

score: -100

Time Limit Exceeded

input:

3 3 1 1