| # |
Submission time |
Handle |
Problem |
Language |
Result |
Execution time |
Memory |
| 480310 |
2021-10-15T15:27:44 Z |
AdamGS |
Wombats (IOI13_wombats) |
C++14 |
|
0 ms |
0 KB |
#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
#define rep(a, b) for(int a = 0; a < (b); ++a)
#define st first
#define nd second
#define pb push_back
#define all(a) a.begin(), a.end()
const int MAXN=5e3+7, MAXM=207, N=1<<9, INF=1e9+7;
int tr[2*N][200][200];
int A[10*N+1][MAXM], B[10*N+1][MAXM], n, m;
void liczlisc(int x) {
int dwa[10][m][m];
rep(i, 10) {
int pref[m][2];
pref[0][0]=pref[0][1]=2;
rep(j, m-1) {
pref[j+1][0]=pref[j][0]+A[10*x+i][j];
pref[j+1][1]=pref[j][1]+A[10*x+i+1][j];
}
int lst[m+1], lst2[m+1];
lst[0]=lst2[0]=0;
lst[1]=lst2[1]=m-1;
for(int r=m-1; r>=0; --r) {
int akt[m+1], akt2[m+1];
akt[0]=akt2[0]=0;
akt[m-r+1]=akt2[m-r+1]=m-1;
rep(p, m-r) {
int k=p+r;
pair<int,int>mi={INF, INF};
for(int l=lst[p]; l<=lst[p+1]; ++l) {
mi=min(mi, {abs(pref[l][0]-pref[p][0])+abs(pref[k][1]-pref[l][1])+B[10*x+i][l], l});
}
akt[p+1]=mi.nd;
dwa[i][p][k]=mi.st;
mi={INF, INF};
for(int l=lst2[p]; l<=lst2[p+1]; ++l) {
mi=min(mi, {abs(pref[k][0]-pref[l][0])+abs(pref[l][1]-pref[p][1])+B[10*x+i][l], l});
}
akt2[p+1]=mi.nd;
dwa[i][k][p]=mi.st;
}
rep(p, m-r+2) {
lst[p]=akt[p];
lst2[p]=akt2[p];
}
}
}
rep(i, m) rep(j, m) tr[N+x][i][j]=dwa[0][i][j];
rep(i, 9) {
int tmp[m][m], lst[m+1], lst2[m+1];
lst[0]=lst2[0]=0;
lst[1]=lst2[1]=m-1;
for(int r=m-1; r>=0; --r) {
int akt[m+1], akt2[m+1];
akt[0]=akt2[0]=0;
akt[m-r+1]=akt2[m-r+1]=m-1;
rep(p, m-r) {
int k=p+r;
pair<int,int>mi={INF, INF};
for(int l=lst[p]; l<=lst[p+1]; ++l) {
mi=min(mi, {tr[N+x][p][l]+dwa[i+1][l][k], l});
}
akt[p+1]=mi.nd;
tmp[p][k]=mi.st;
mi={INF, INF};
for(int l=lst2[p]; l<=lst2[p+1]; ++l) {
mi=min(mi, {tr[N+x][k][l]+dwa[i+1][l][p], l});
}
akt2[p+1]=mi.nd;
tmp[k][p]=mi.st;
}
rep(p, m-r+2) {
lst[p]=akt[p];
lst2[p]=akt2[p];
}
}
rep(j, m) rep(l, m) tr[N+x][j][l]=tmp[j][l];
}
}
void liczwierzcholek(int v) {
int lst[m+1], lst2[m+1];
lst[0]=lst2[0]=0;
lst[1]=lst2[1]=m-1;
for(int r=m-1; r>=0; --r) {
int akt[m+1], akt2[m+1];
akt[0]=akt2[0]=0;
akt[m-r+1]=akt2[m-r+1]=m-1;
rep(p, m-r) {
int k=p+r;
pair<int,int>mi={INF, INF};
for(int l=lst[p]; l<=lst[p+1]; ++l) {
mi=min(mi, {tr[2*v][p][l]+tr[2*v+1][l][k], l});
}
akt[p+1]=mi.nd;
tr[v][p][k]=mi.st;
mi={INF, INF};
for(int l=lst2[p]; l<=lst2[p+1]; ++l) {
mi=min(mi, {tr[2*v][k][l]+tr[2*v+1][l][p], l});
}
akt2[p+1]=mi.nd;
tr[v][k][p]=mi.st;
}
rep(p, m-r+2) {
lst[p]=akt[p];
lst2[p]=akt2[p];
}
}
}
void upd(int v) {
liczlisc(v);
v+=N;
while(v>1) {
v/=2;
liczwierzcholek(v);
}
}
void changeH(int a, int b, int c) {
A[a][b]=c;
upd(a/10);
if(a%10==0 && a) upd(a/10-1);
}
void changeV(int a, int b, int c) {
B[a][b]=c;
upd(a/10);
}
int escape(int v1, int v2) {
return tr[1][v1][v2];
}
void init(int r, int c, int H[5000][200], int V[5000][200]) {
n=r; m=c;
rep(i, n) rep(j, m-1) A[i][j]=H[i][j];
rep(i, n-1) rep(j, m) B[i][j]=V[i][j];
for(int i=n; i<=10*N; ++i) rep(j, m-1) A[i][j]=5001007;
rep(i, N) liczlisc(i);
for(int i=N-1; i; --i) liczwierzcholek(i);
}
int main() {
ios_base::sync_with_stdio(0); cin.tie(0);
int r, c, H[5000][200], V[5000][200];
cin >> r >> c;
rep(i, r) rep(j, c-1) cin >> H[i][j];
rep(i, r-1) rep(j, c) cin >> V[i][j];
init(r, c, H, V);
int e;
cin >> e;
while(e--) {
int t;
cin >> t;
if(t==1) {
int x, y, z;
cin >> x >> y >> z;
changeH(x, y, z);
} else if(t==2) {
int x, y, z;
cin >> x >> y >> z;
changeV(x, y, z);
} else {
int x, y;
cin >> x >> y;
cout << escape(x, y) << '\n';
}
}
}
Compilation message
grader.c: In function 'int main()':
grader.c:15:6: warning: variable 'res' set but not used [-Wunused-but-set-variable]
15 | int res;
| ^~~
/usr/bin/ld: /tmp/ccu9qayP.o: in function `main':
wombats.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccS81pVS.o:grader.c:(.text.startup+0x0): first defined here
/usr/bin/ld: /tmp/ccS81pVS.o: in function `main':
grader.c:(.text.startup+0x129): undefined reference to `init'
/usr/bin/ld: grader.c:(.text.startup+0x194): undefined reference to `escape'
/usr/bin/ld: grader.c:(.text.startup+0x203): undefined reference to `changeH'
/usr/bin/ld: grader.c:(.text.startup+0x26d): undefined reference to `changeV'
collect2: error: ld returned 1 exit status
