Language: C++

#include <iostream>
#include <cstdio>
#include <algorithm>
#include <vector>
#include <string>
#include <cstring>
using namespace std;
typedef vector<int> vi;
#define FOR(i,S,E) for(int i=S; i<E; i++)
#define ri(x) scanf("%d", &x)
#define pb push_back

string s;
const int MAXN = 8e3+10;
int x, y, n, dp[MAXN][MAXN];

int fx(int i=0, int idx=0) {
    //printf("fx(%d, %d)\n", i, idx);
    if (idx >= n && i == x) return true;
    else if (idx >= n) return false;
    if (dp[i+n][idx] != -1) return dp[i+n][idx];
    int steps = 0, k;
    for(k=idx; k<n && s[k] != 'T'; k++) {
        continue;
    }
    steps = k-idx;
    for(k = k+1 ; k<n && s[k] != 'T'; k++) {
        continue;
    }
    return dp[i+n][idx] = fx(i+steps, idx+k+1) || fx(i-steps, idx+k+1);
}

int fy(int j=0, int idx=0) {
    //printf("fy(%d, %d)\n", j, idx);
    if (idx >= n && j == y) return true;
    else if (idx >= n) return false;
    if (dp[j+n][idx] != -1) return dp[j+n][idx];
    int steps = 0, k;
    for(k=idx; k<n && s[k] != 'T'; k++) {
        continue;
    }
    steps = k-idx;
    for(k = k+1 ; k<n && s[k] != 'T'; k++) {
        continue;
    }
    return dp[j+n][idx] = fy(j+steps, idx+k+1) || fy(j-steps, idx+k+1);
}

int main() {
    cin >> s >> x >> y;
    n = s.size();
    FOR(i,0,2*n) FOR(j,0,n) dp[i][j] = -1;
    int ans = fx();
    int k;
    for(k=0; k<n && s[k] != 'T'; k++) {
        continue;
    }
    FOR(i,0,2*n) FOR(j,0,n) dp[i][j] = -1;
    ans &= fy(0, k+1);
    if (ans) printf("Yes\n");
    else printf("No\n");
}
#include <iostream>
#include <cstdio>
#include <algorithm>
#include <vector>
#include <string>
#include <cstring>
using namespace std;
typedef vector<int> vi;
#define FOR(i,S,E) for(int i=S; i<E; i++)
#define ri(x) scanf("%d", &x)
#define pb push_back

string s;
const int MAXN = 8e3+10;
int x, y, n, dp[MAXN][MAXN];

int fx(int i=0, int idx=0) {
    //printf("fx(%d, %d)\n", i, idx);
    if (idx >= n && i == x) return true;
    else if (idx >= n) return false;
    if (dp[i+n][idx] != -1) return dp[i+n][idx];
    int steps = 0, k;
    for(k=idx; k<n && s[k] != 'T'; k++) {
        continue;
    }
    steps = k-idx;
    for(k = k+1 ; k<n && s[k] != 'T'; k++) {
        continue;
    }
    return dp[i+n][idx] = fx(i+steps, idx+k+1) || fx(i-steps, idx+k+1);
}

int fy(int j=0, int idx=0) {
    //printf("fy(%d, %d)\n", j, idx);
    if (idx >= n && j == y) return true;
    else if (idx >= n) return false;
    if (dp[j+n][idx] != -1) return dp[j+n][idx];
    int steps = 0, k;
    for(k=idx; k<n && s[k] != 'T'; k++) {
        continue;
    }
    steps = k-idx;
    for(k = k+1 ; k<n && s[k] != 'T'; k++) {
        continue;
    }
    return dp[j+n][idx] = fy(j+steps, idx+k+1) || fy(j-steps, idx+k+1);
}

int main() {
    cin >> s >> x >> y;
    n = s.size();
    FOR(i,0,2*n) FOR(j,0,n) dp[i][j] = -1;
    int ans = fx();
    int k;
    for(k=0; k<n && s[k] != 'T'; k++) {
        continue;
    }
    FOR(i,0,2*n) FOR(j,0,n) dp[i][j] = -1;
    ans &= fy(0, k+1);
    if (ans) printf("Yes\n");
    else printf("No\n");
}


Compiler output:
a.cc:75:8: error: redefinition of 'std::string s'
   75 | string s;
      |        ^
a.cc:13:8: note: 'std::string s' previously declared here
   13 | string s;
      |        ^
a.cc:76:11: error: redefinition of 'const int MAXN'
   76 | const int MAXN = 8e3+10;
      |           ^~~~
a.cc:14:11: note: 'const int MAXN' previously defined here
   14 | const int MAXN = 8e3+10;
      |           ^~~~
a.cc:77:5: error: redefinition of 'int x'
   77 | int x, y, n, dp[MAXN][MAXN];
      |     ^
a.cc:15:5: note: 'int x' previously declared here
   15 | int x, y, n, dp[MAXN][MAXN];
      |     ^
a.cc:77:8: error: redefinition of 'int y'
   77 | int x, y, n, dp[MAXN][MAXN];
      |        ^
a.cc:15:8: note: 'int y' previously declared here
   15 | int x, y, n, dp[MAXN][MAXN];
      |        ^
a.cc:77:11: error: redefinition of 'int n'
   77 | int x, y, n, dp[MAXN][MAXN];
      |           ^
a.cc:15:11: note: 'int n' previously declared here
   15 | int x, y, n, dp[MAXN][MAXN];
      |           ^
a.cc:77:14: error: redefinition of 'int dp [8010][8010]'
   77 | int x, y, n, dp[MAXN][MAXN];
      |              ^~
a.cc:15:14: note: 'int dp [8010][8010]' previously declared here
   15 | int x, y, n, dp[MAXN][MAXN];
      |              ^~
a.cc:79:5: error: redefinition of 'int fx(int, int)'
   79 | int fx(int i=0, int idx=0) {
      |     ^~
a.cc:17:5: note: 'int fx(int, int)' previously defined here
   17 | int fx(int i=0, int idx=0) {
      |     ^~
a.cc:95:5: error: redefinition of 'int fy(int, int)'
   95 | int fy(int j=0, int idx=0) {
      |     ^~
a.cc:33:5: note: 'int fy(int, int)' previously defined here
   33 | int fy(int j=0, int idx=0) {
      |     ^~
a.cc:111:5: error: redefinition of 'int main()'
  111 | int main() {
      |     ^~~~
a.cc:49:5: note: 'int main()' previously defined here
   49 | int main() {
      |     ^~~~