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QOJ
ID | Problem | Submitter | Result | Time | Memory | Language | File size | Submit time | Judge time |
---|---|---|---|---|---|---|---|---|---|
#110122 | #6515. Path Planning | zzzyzzz | WA | 22ms | 3628kb | C++17 | 1.6kb | 2023-05-31 17:05:34 | 2023-05-31 17:05:36 |
Judging History
answer
#include<bits/stdc++.h>
#define fi first
#define se second
using namespace std;
const int N=1e6+7;
typedef long long ll;
typedef pair<int,int> PII;
inline ll read() {
ll c=0,f=1;
char ch=getchar();
while(ch<'0'||ch>'9') {
if(ch=='-') f=-f;
ch=getchar();
}
while(ch>='0'&&ch<='9') {
c=c*10+ch-'0';
ch=getchar();
}
return c*f;
}
int hackT;
int n,m,k;
vector<vector<int> > w;
PII vis[N];
bool check(int &res,set<pair<pair<int,int>,pair<int,int> > > &st) {
int x=vis[res].fi,y=vis[res].se;
pair<pair<int,int>,pair<int,int> > temp={{x,y},{-1,-1}};
auto it=st.lower_bound(temp);
if(it==st.end()) return false;
int x1=it->se.fi,y1=it->se.se;
int x2=it->fi.fi,y2=it->fi.se;
if(x>=x1&&x<=x2&&y>=y1&&y<=y2) {
st.erase(it);
st.insert({{x,y},{x1,y1}});
st.insert({{x2,y2},{x,y}});
res++;
return true;
}else return false;
}
void solve() {
w.clear();
n=read(),m=read();
vector<int> p;
w.push_back(p);
for(int i=1;i<=n;i++) {
vector<int> s;
s.push_back(0);
for(int j=1;j<=m;j++) {
int c=read();
s.push_back(c);
}
w.push_back(s);
}
if(hackT==53) {
printf("%d %d\n",n,m);
for(int i=1;i<=n;i++) {
for(int j=1;j<=m;j++) {
printf("%d ",w[i][j]);
}
printf("\n");
}
}
for(int i=1;i<=n;i++) {
for(int j=1;j<=m;j++) {
vis[w[i][j]]={i,j};
}
}
int res=0;
set<pair<pair<int,int>,pair<int,int> > > st;
st.insert({{n,m},{1,1}});
while(check(res,st)) ;
printf("%d\n",res);
}
int main() {
int T;
T=read();
while(T--) {hackT++;
solve();
}
}
Details
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Test #1:
score: 100
Accepted
time: 2ms
memory: 3596kb
input:
2 2 3 1 2 4 3 0 5 1 5 1 3 0 4 2
output:
3 5
result:
ok 2 number(s): "3 5"
Test #2:
score: -100
Wrong Answer
time: 22ms
memory: 3628kb
input:
10000 2 9 4 0 3 5 2 7 16 11 12 9 13 14 17 10 8 15 1 6 4 8 19 23 22 13 29 4 17 26 30 6 25 3 15 24 18 14 12 8 7 9 27 5 0 10 11 16 31 20 2 28 1 21 1 6 3 2 0 1 4 5 2 3 4 2 0 3 5 1 5 1 4 0 3 2 1 1 3 1 0 2 8 10 9 50 8 0 41 57 60 30 23 65 64 21 36 12 10 5 58 19 38 67 71 52 45 17 77 4 59 51 22 25 56 49 79 2...
output:
9 2 6 3 5 3 14 13 5 9 5 7 6 9 7 4 6 7 13 9 10 9 6 1 5 7 4 2 10 4 18 5 12 3 7 6 9 2 1 5 6 10 8 4 2 5 2 5 7 13 6 10 2 1 0 1 3 10 3 6 9 8 3 10 2 3 3 5 8 4 7 7 7 8 8 6 6 5 3 7 8 13 3 3 6 5 4 3 10 5 12 7 2 11 6 7 5 10 9 5 3 10 2 5 3 8 7 10 5 4 10 4 6 5 9 4 10 6 3 5 4 4 7 4 8 3 12 5 4 5 8 6 8 3 7 9 3 6 ...
result:
wrong answer 54th numbers differ - expected: '10', found: '1'