Here are two submission for problem d , of ABC 087. one is giving due to declaration of int xdp[][] and int ydp[][] while other is passing using bool xdp[][] and bool ydp[][] .
Any idea, why its happening so!
AC : https://atcoder.jp/contests/abc082/submissions/5496820
int RE : https://atcoder.jp/contests/abc082/submissions/5496847
code :
Spoiler
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Your code here...
#include<bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
typedef int ll;
using namespace __gnu_pbds;
typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> pbds;
#pragma GCC target ("avx2")
#pragma GCC optimization ("O3")
#pragma GCC optimization ("unroll-loops")
#define ios ios_base::sync_with_stdio(0) ; cin.tie(0) ; cout.tie(0)
#define so sizeof
#define pb push_back
#define cl clear() ;
#define vl vector<ll>
#define sz size()
#define len length()
#define el endl;cout.flush()
#define be begin()
#define fi first
#define se second
#define br break
#define en end()
#define ro return 0
#define br break
#define eb emplace_back
#define con continue
#define ms(x) memset(x , 0, so x)
#define all(x) (x).be , (x).en
#define rall(x) (x).rbegin() , (x).rend()
#define acc(x) accumulate((x).be , (x).en , 0ll)
#define forn(i,a,b) for(ll i=a;i<=b;++i)
#define rng_58 mt19937 rng(chrono::steady_clock::now().time_since_epoch().count())
#define vll vector<pair<ll,ll> >
#define pll pair<ll,ll>
#define plll pair<ll,pair<ll,ll>>
#define plvl pair<pair<ll,ll> ,ll>
#define mp make_pair
#define trace2(a,b) cerr <<"a is " << a << " b is " << b << el;
#define trace3(a,b,c) cerr <<"a is " << a << " b is " << b << " c is " << c << el;
#define trace4(a,b,c,d) cerr <<"a is " << a << " b is " << b << " c is " << c <<" d is " << d << el ;
#define trace5(a,b,c,d,e) cerr <<"a is " << a << " b is " << b << " c is " << c <<" d is " << d << " e is " << e << el;
#define trace6(a,b,c,d,e,f) cerr <<"a is " << a << " b is " << b << " c is " << c <<" d is " << d << " e is " << e << " f is " << f << el ;
int main()
{
ios;
string s ;
cin >> s ;
ll x , y ;
cin >> x >> y ;
vl vx , vy ;
ll cnt = 0 ;
ll cntt= 0 ;
forn(i , 0 , s.len - 1 ){
if(s[i] == 'T'){
if(cntt % 2 == 1) {
vy.pb(cnt) ;
}
else if(cntt % 2 == 0){
vx.pb(cnt) ;
}
cnt = 0 ;
++cntt;
}
else {
++cnt ;
}
}
if(cnt != 0 ) {
if(cntt % 2 == 1) {
vy.pb(cnt) ;
}
else if(cntt % 2 == 0 ) {
vx.pb(cnt) ;
}
cnt = 0 ;
}
/// this line ************
ll xdp[vx.sz + 5][16005] ;
ms(xdp) ;
ll ydp[vy.sz + 5][16005];
ms(ydp) ;
/// for x axis
xdp[0][8000] = 1 ;
forn(i , 1 , vx.sz){
ll dist = vx[i-1] ;
forn(j , 0 , 16000){
if(i == 1){
xdp[i][8000+dist] = 1 ;
con ;
}
if(j - dist >=0){
xdp[i][j] |= xdp[i-1][j-dist] ;
}
if( j +dist <=16000){
xdp[i][j] |= xdp[i-1][j+dist];
}
}
}
/// for y axis
ydp[0][8000] = 1 ;
forn(i , 1 , vy.sz){
ll dist = vy[i-1] ;
forn(j , 0 , 16000){
if( j - dist >= 0 ) {
ydp[i][j] |= ydp[i-1][j-dist] ;
}
if (j+dist <= 16000){
ydp[i][j] |= ydp[i-1][j+dist] ;
}
}
}
ll xx= 0 , yy = 0 ;
xx = xdp[vx.sz][x+8000];
yy = ydp[vy.sz][y+8000] ;
if(xx == 1 and yy == 1) {
cout << "Yes\n" ;
ro ;
}
else {
cout << "No\n" ;
ro ;
}
ro ;
}