QOJ.ac
QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#237159 | #6836. A Plus B Problem | Andy# | WA | 203ms | 11792kb | C++17 | 2.2kb | 2023-11-04 13:21:22 | 2023-11-04 13:21:23 |
Judging History
answer
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
inline int read(){
char c=getchar();
int f=1,x=0;
for(;c<'0'||c>'9';c=getchar()) if(c=='-') f=-1;
for(;c>='0'&&c<='9';c=getchar()) x=x*10+c-'0';
return f*x;
}
const int N=1e6+5;
char s[N];
int n,q;
int num[4][N];
int main(){
ios::sync_with_stdio(false);
cin.tie(0);
cin>>n>>q;
cin>>s+1;
for(int i=1;i<=n;i++)
num[1][i]=s[i]-'0';
cin>>s+1;
for(int i=1;i<=n;i++)
num[2][i]=s[i]-'0';
int res=0;
set<int> v;
for(int i=n;i>=1;i--)
{
if(num[2][i]+num[1][i]!=9)
v.insert(i);
if(num[1][i]+num[2][i]+res>=10)
{
num[3][i]=(num[1][i]+num[2][i]+res)%10;
res=1;
}
else
{
num[3][i]=num[1][i]+num[2][i]+res;
res=0;
}
//cout<<num[3][i]<<' ';
}
v.insert(0);
int r,c,d;
int ans=0;
while(q--)
{
cin>>r>>c>>d;
auto u=v.upper_bound(c);
int flag=0;
if(u==v.end());
else
{
if(num[1][*u]+num[2][*u]>9)flag=1;
}
if(num[r][c]==d)
{
cout<<(num[1][c]+num[2][c]+flag)%10<<" 0\n";
}
if(num[1][c]+num[2][c]+flag<=9)
{
if(num[3-r][c]+d+flag<=9)
{
num[3][c]=num[3-r][c]+d+flag;
num[r][c]=d;
cout<<num[3][c]<<" 2\n";
if(num[1][c]+num[2][c]==9)v.erase(c);
else v.insert(c);
continue;
}
else
{
ans=2;
//cout<<num[3-r][c]<<' '<<d<<endl;
num[3][c]=(num[3-r][c]+d+flag)%10;
num[r][c]=d;
if(num[1][c]+num[2][c]==9)v.erase(c);
else v.insert(c);
auto bef=v.lower_bound(c);
bef--;
if(*bef)
ans+=c-*bef;
else ans+=c-*bef-1;
cout<<num[3][c]<<' '<<ans<<'\n';
continue;
}
}
else
{
if(num[3-r][c]+d+flag<=9)
{
ans=2;
num[3][c]=num[3-r][c]+d+flag;
num[r][c]=d;
if(num[1][c]+num[2][c]==9)
v.erase(c);
else v.insert(c);
auto bef=v.lower_bound(c);
bef--;
if(*bef)
ans+=c-*bef;
else ans+=c-*bef-1;
cout<<num[3][c]<<' '<<ans<<'\n';
continue;
}
else
{
ans=2;
num[3][c]=(num[3-r][c]+d+flag)%10;
num[r][c]=d;
if(num[1][c]+num[2][c]==9)v.erase(c);
else v.insert(c);
cout<<num[3][c]<<' '<<ans<<'\n';
}
}
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 9680kb
input:
5 5 01234 56789 2 1 0 2 2 1 2 3 2 2 4 3 2 5 4
output:
0 2 3 2 5 3 7 3 8 3
result:
ok 5 lines
Test #2:
score: 0
Accepted
time: 2ms
memory: 11792kb
input:
1 1 1 1 1 1 9
output:
0 2
result:
ok single line: '0 2'
Test #3:
score: -100
Wrong Answer
time: 203ms
memory: 11724kb
input:
10 1000000 6869373857 3130626142 1 9 2 1 10 0 2 7 6 1 1 0 1 7 6 2 10 4 2 3 9 2 4 2 2 4 4 2 7 0 1 2 4 1 9 8 1 3 7 1 7 1 1 1 5 2 1 6 1 3 5 2 5 8 2 6 5 1 6 3 1 3 8 2 4 2 2 6 3 2 2 6 1 10 9 2 1 1 2 5 4 1 1 8 2 4 0 1 9 1 1 1 8 2 4 2 2 9 2 1 10 3 1 8 9 1 4 6 2 3 0 1 1 6 1 7 1 1 10 9 2 4 4 2 5 9 2 1 8 1 9 ...
output:
6 2 2 2 9 0 9 2 3 2 2 8 4 2 6 2 2 2 4 2 6 5 6 3 2 4 7 2 2 2 8 2 1 2 5 2 1 3 2 3 8 3 8 2 2 2 6 2 1 3 3 3 7 2 7 3 0 2 9 3 6 4 0 0 0 2 1 3 4 2 7 3 0 3 8 3 8 3 8 2 2 0 2 2 3 3 0 3 2 3 5 2 9 2 4 2 8 2 3 3 5 3 3 2 5 0 5 2 4 2 3 2 1 2 4 2 7 3 0 2 5 2 6 2 0 3 4 2 4 2 3 2 5 3 6 3 3 0 3 2 8 2 9 3 9 3 1 2 1 4 ...
result:
wrong answer 4th lines differ - expected: '3 2', found: '9 2'