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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#570836 | #5414. Stop, Yesterday Please No More | Abcl | WA | 0ms | 3924kb | C++14 | 1.1kb | 2024-09-17 18:19:11 | 2024-09-17 18:19:11 |
Judging History
answer
#include<bits/stdc++.h>
#define int long long
#define mod 1000000007
using namespace std;
const int N=200005;
int n;
int x[N];
void solve(){
scanf("%lld",&n);
for(int i=1;i<=n;i++){
scanf("%lld",&x[i]);
}
int s0=0;
int sum=1,a=1;
for(int i=1;i<=n;i++){
if(x[i]==1){//增加一只
a++,sum++;
}
else if(x[i]==-1){//减少一只
if(a==1){//剩下的就一只了
if(s0>0){//还有可以转化的 0
s0--; //把一个作为 -1的 0 转变为1
a=a+2;
sum++;
a--;
}
else {
printf("-1\n");
return;
}
}
else a--;
}
else if(x[i]==0){
if(a==1){//只有一个了 那么我只能选择做 1
a++,sum++;
}
else {
a--,s0++;
}
}
}
int cc=__gcd(sum,a);
sum/=cc,a/=cc;
printf("%lld %lld\n",sum,a);
return;
}
signed main() {
// ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
//freopen("in.txt","r",stdin);
//freopen("out.txt","w",stdout);
int T_case=1;
cin>>T_case;
while(T_case--){
solve();
}
return 0;
}
Details
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Test #1:
score: 0
Wrong Answer
time: 0ms
memory: 3924kb
input:
3 4 5 3 ULDDRR 4 5 0 UUUUUUU 4 5 10 UUUUUUU
output:
2 1 2 1 2 1
result:
wrong answer 2nd numbers differ - expected: '20', found: '1'