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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#348980 | #6836. A Plus B Problem | studentDL | WA | 57ms | 7712kb | C++14 | 2.4kb | 2024-03-09 22:46:41 | 2024-03-09 22:46:42 |
Judging History
answer
#include<algorithm>
#include<cstdio>
#include<cstring>
#include<set>
#define pii pair<int,int>
#define mk make_pair
#define ft first
#define se second
#define pb push_back
#define db double
#define ll long long
#define ull unsigned long long
#define INF 0x3f3f3f3f
#define inf 1e18
using namespace std;
#define LOCAL
namespace IO{
#ifndef LOCAL
#define SIZE 30000
char in[SIZE],out[SIZE],*p1=in,*p2=in,*p3=out;
#define getchar() (p1==p2&&(p2=(p1=in)+fread(in,1,SIZE,stdin),p1==p2)?EOF:*p1++)
#define flush() (fwrite(p3=out,1,SIZE,stdout))
#define putchar(ch) (p3==out+SIZE&&flush(),*p3++=(ch))
class Flush{public:~Flush(){fwrite(out,1,p3-out,stdout);}}_;
#endif
template<typename type>
inline void read(type &x){
x=0;bool flag=0;char ch=getchar();
while(ch<'0'||ch>'9') flag^=ch=='-',ch=getchar();
while(ch>='0'&&ch<='9') x=(x<<1)+(x<<3)+(ch^48),ch=getchar();
flag?x=-x:0;
}
template<typename type>
inline void write(type x,char ch=0){
x<0?x=-x,putchar('-'):0;static short Stack[50],top=0;
do Stack[++top]=x%10,x/=10;while(x);
while(top) putchar(Stack[top--]|48);
if(ch) putchar(ch);
}
}
using namespace IO;
#define M 1000005
int n,Q,a[2][M];
char num[M];
set<int> pos;
int main(){
read(n),read(Q);
scanf("%s",num+1);
for(int i=1;i<=n;i++) a[0][i]=num[i]-'0';
scanf("%s",num+1);
for(int i=1;i<=n;i++){
a[1][i]=num[i]-'0';
if(a[0][i]+a[1][i]!=9) pos.insert(i);
}
while(Q--){
int r,c,d;
read(r),read(c),read(d),r--;
int car=0;
auto nxt=pos.upper_bound(c);
if(nxt!=pos.end()&&a[0][*nxt]+a[1][*nxt]>9) car=1;
int pre=a[0][c]+a[1][c]+car,now=a[r^1][c]+d+car;
if(a[r][c]==d){
write(now%10,' '),write(0,'\n');
continue;
}
if(now-car!=9) pos.insert(c);
else if(pre-car==9) pos.erase(c);
if(pre<10&&now<10){
write(now,' '),write(2,'\n');
}else if(pre>=10&&now>=10){
write(now-10,' '),write(2,'\n');
}else{
auto prc=pos.lower_bound(c);
int ppos=prc==pos.begin()?1:*(--prc);
write(now%10,' '),write(1+c-ppos+1,'\n');
}
a[r][c]=d;
}
return 0;
}
Details
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Test #1:
score: 100
Accepted
time: 0ms
memory: 5824kb
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: 1ms
memory: 5856kb
input:
1 1 1 1 1 1 9
output:
0 2
result:
ok single line: '0 2'
Test #3:
score: -100
Wrong Answer
time: 57ms
memory: 7712kb
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 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 1 3 4 2 7 3 0 3 8 3 8 3 8 2 2 0 3 3 0 3 2 3 5 2 9 2 4 2 8 2 3 3 5 3 3 2 5 0 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 8 2 9 3 9 3 1 2 1 3 7 2 5 2 5 2 4 0 0 2 ...
result:
wrong answer 70th lines differ - expected: '1 4', found: '1 3'