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QOJ
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 |
---|---|---|---|---|---|---|---|---|---|
#612641 | #7897. Largest Digit | wzxtsl# | WA | 2ms | 3652kb | C++23 | 2.2kb | 2024-10-05 12:24:24 | 2024-10-05 12:24:26 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
#define fast ios::sync_with_stdio(false),cin.tie(0),cout.tie(0)
#define int long long
int n,m;
int la,lb,ra,rb;
const int N=2e6+7;
const int mod=998244353;
int a[N];
void solve(){
cin>>la>>ra>>lb>>rb;
if(la+10<=ra||lb+10<=rb)
{
cout<<9;return;
}
la%=10,lb%=10,ra%=10,rb%=10;
int maxn=0;
if(la<=ra&&lb<=rb)
{
for(int i=la;i<=ra;i++)
{
for(int j=lb;j<=rb;j++)
{
maxn=max(maxn,(i+j)%10);
}
}
}
else if(la>ra&&lb<=rb)
{
for(int i=la;i<=9;i++)
{
for(int j=lb;j<=rb;j++)
{
maxn=max(maxn,(i+j)%10);//cout<<i<<"@"<<j<<"@@"<<maxn<<"!";
}
}
for(int i=0;i<=ra;i++)
{
for(int j=lb;j<=rb;j++)
{
maxn=max(maxn,(i+j)%10);
}
}
}
else if(la>ra&&lb>rb)
{
for(int i=la;i<=9;i++)
{
for(int j=lb;j<=9;j++)
{
maxn=max(maxn,(i+j)%10);
}
}
for(int i=la;i<=9;i++)
{
for(int j=0;j<=rb;j++)
{
maxn=max(maxn,(i+j)%10);
}
}
for(int i=0;i<=ra;i++)
{
for(int j=lb;j<=9;j++)
{
maxn=max(maxn,(i+j)%10);
}
}
for(int i=0;i<=ra;i++)
{
for(int j=0;j<=rb;j++)
{
maxn=max(maxn,(i+j)%10);
}
}
}
else if(lb>rb&&la<=ra)
{
for(int i=lb;i<=9;i++)
{
for(int j=la;j<=ra;j++)
{
maxn=max(maxn,(i+j)%10);
}
}
for(int i=0;i<=rb;i++)
{
for(int j=la;j<=ra;j++)
{
maxn=max(maxn,(i+j)%10);
}
}
}
cout<<maxn<<endl;
}
signed main(){
fast;
int t=1;
cin>>t;
while(t--){
solve();
}
}
详细
Test #1:
score: 100
Accepted
time: 1ms
memory: 3564kb
input:
2 178 182 83 85 2 5 3 6
output:
7 9
result:
ok 2 lines
Test #2:
score: -100
Wrong Answer
time: 2ms
memory: 3652kb
input:
1000 158260522 877914575 24979445 602436426 1 5 1101111 1101112 2 5 33333 33335 1 5 10111 10111 138996221 797829355 353195922 501899080 212 215 10302 10302 101100 101101 1 2 111 114 1101000 1101001 265804420 569328197 234828607 807497925 1110110 1110112 11100 11103 323 327 23 27 1 1 1 5 316412581 80...
output:
97 9 6 97 3 5 95 9 6 99 9 9 99 9 9 95 9 6 99 7 8 99 9 9 99 3 7 97 7 9 96 5 9 96 9 6 99 9 5 94 6 5 97 8 8 99 9 6 98 9 5 97 9 7 99 6 5 91 3 6 95 8 6 99 2 4 99 9 9 99 5 2 94 5 9 99 8 6 95 7 9 95 9 5 97 8 5 99 9 7 99 3 3 99 5 7 99 6 6 97 7 9 97 9 8 95 8 6 97 9 3 95 8 8 97 2 8 99 6 8 99 9 9 99 8 9 97 7 6...
result:
wrong answer 1st lines differ - expected: '9', found: '97'