codeforces-1132-A

“()“不用考虑,因为放在哪里都可以,接下来要考虑的是”)(”,这种可以按照")()()()(“方式排放,因此分别使用”((“和”))“放在”)(“两边就可以了,并且不用考虑”)("的个数,然后cnt1-1和cnt2-1比较,如果相等则符合,反之不符合。

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#include<bits/stdc++.h>
using namespace std;
#define LOCALa
#define ll long long int
#define inf 0x3f3f3f3f
#define mset(a,b) memset(a,b,sizeof(a))
const int maxn=1e5+5;
int a,b,c,d;
void solve(){
scanf("%d%d%d%d",&a,&b,&c,&d);
if(c==0){
if(a==d){
printf("1\n");
return;
}
else {
printf("0\n");
return;
}
}
else {
if(a&&d&&(a-1==d-1)){
printf("1\n");
return;
}
else {
printf("0\n");
return ;
}
}
}
int main(){
#ifdef LOCAL
freopen("in.in","r",stdin);
#endif
solve();
return 0;
}
Author: universal42
Link: https://universal4s.github.io/2019/03/20/codeforces-1132-a/
Copyright Notice: All articles in this blog are licensed under CC BY-NC-SA 4.0 unless stating additionally.