#include <bits/stdc++.h> #include <unistd.h> using namespace std; #ifdef DEBUG auto&operator<<(auto &o, pair<auto, auto> p) {o << "(" << p.first << ", " << p.second << ")"; return o;} auto operator<<(auto &o, auto x)->decltype(x.end(), o) {o<<"{"; for(auto e : x) o<<e<<", "; return o<<"}";} #define debug(X) cerr << "["#X"]: " << X << '\n'; #else #define cerr if(0)cout #define debug(X) ; #endif #define ll long long #define all(v) (v).begin(), (v).end() #define ssize(x) int(x.size()) #define fi first #define se second #define mp make_pair #define eb emplace_back namespace { int fastin() { int n = 0, c = getchar_unlocked(); while(isspace(c)) c = getchar_unlocked(); while(isdigit(c)) { n = 10 * n + (c - '0'); c = getchar_unlocked(); } return n; } char buf[400'000*10]; char *buf_ptr = buf; void write_char(char c) { *buf_ptr++ = c; } constexpr inline unsigned long build_long(char c1, char c2, char c3, char c4, char c5, char c6, char c7, char c8) { unsigned long n = c8; n <<= 8; n |= c7; n <<= 8; n |= c6; n <<= 8; n |= c5; n <<= 8; n |= c4; n <<= 8; n |= c3; n <<= 8; n |= c2; n <<= 8; n |= c1; return n; } template <bool LeadingZeroes> struct output { constexpr output() { char lead = LeadingZeroes ? '0' : ' '; for(unsigned long c1 = 1; c1 <= 9; ++c1) for(unsigned long c2 = 0; c2 <= 9; ++c2) for(unsigned long c3 = 0; c3 <= 9; ++c3) for(unsigned long c4 = 0; c4 <= 9; ++c4) for(unsigned long c5 = 0; c5 <= 9; ++c5) arr[10'000*c1+1'000*c2+100*c3+10*c4+c5] = build_long('0'+c1, '0'+c2, '0'+c3, '0'+c4, '0'+c5, ' ', '0', '0'); for(unsigned long c2 = 1; c2 <= 9; ++c2) for(unsigned long c3 = 0; c3 <= 9; ++c3) for(unsigned long c4 = 0; c4 <= 9; ++c4) for(unsigned long c5 = 0; c5 <= 9; ++c5) arr[1'000*c2+100*c3+10*c4+c5] = build_long(lead, '0'+c2, '0'+c3, '0'+c4, '0'+c5, ' ', '0', '0'); for(unsigned long c3 = 1; c3 <= 9; ++c3) for(unsigned long c4 = 0; c4 <= 9; ++c4) for(unsigned long c5 = 0; c5 <= 9; ++c5) arr[100*c3+10*c4+c5] = build_long(lead, lead, '0'+c3, '0'+c4, '0'+c5, ' ', '0', '0'); for(unsigned long c4 = 1; c4 <= 9; ++c4) for(unsigned long c5 = 0; c5 <= 9; ++c5) arr[10*c4+c5] = build_long(lead, lead, lead, '0'+c4, '0'+c5, ' ', '0', '0'); for(unsigned long c5 = 0; c5 <= 9; ++c5) arr[c5] = build_long(lead, lead, lead, lead, '0'+c5, ' ', '0', '0'); } array<unsigned long, 100'000> arr{}; }; constexpr output<true> out_lz; constexpr output<false> out_ls; void write_long(unsigned long l, unsigned long n) { *reinterpret_cast<unsigned long*> (buf_ptr) = l; buf_ptr += n; } pair<unsigned long, unsigned long> podziel(unsigned long a, unsigned long b) { return {a/b, a%b}; } void write_int(unsigned long x) { if(x >= 100'000) { auto [a, b] = podziel(x, 100'000); write_long(out_ls.arr[a], 5); write_long(out_lz.arr[b], 6); } else { write_long(out_ls.arr[x], 6); } } } int main() { int n = fastin(); vector<int> a(n); for(int i = 0; i < n; ++i) { char c; c = getchar_unlocked(); a[i] = c == 'L' ? 0 : 1; } vector<int> ans(n); int l = 0, r = n-1; int x = 0; while (l <= r) { while (a[l] == 0 && l <= r) ans[l++] = x; while (a[r] == 1 && l <= r) ans[r--] = x; if(l > r) break; assert(a[l] == 1 && a[r] == 0); ans[l] = ans[r] = 1 + x; ++l; --r; x += 2; } for(auto e : ans) write_int(e); write(STDOUT_FILENO, buf, buf_ptr-buf); return 0; }
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 | #include <bits/stdc++.h> #include <unistd.h> using namespace std; #ifdef DEBUG auto&operator<<(auto &o, pair<auto, auto> p) {o << "(" << p.first << ", " << p.second << ")"; return o;} auto operator<<(auto &o, auto x)->decltype(x.end(), o) {o<<"{"; for(auto e : x) o<<e<<", "; return o<<"}";} #define debug(X) cerr << "["#X"]: " << X << '\n'; #else #define cerr if(0)cout #define debug(X) ; #endif #define ll long long #define all(v) (v).begin(), (v).end() #define ssize(x) int(x.size()) #define fi first #define se second #define mp make_pair #define eb emplace_back namespace { int fastin() { int n = 0, c = getchar_unlocked(); while(isspace(c)) c = getchar_unlocked(); while(isdigit(c)) { n = 10 * n + (c - '0'); c = getchar_unlocked(); } return n; } char buf[400'000*10]; char *buf_ptr = buf; void write_char(char c) { *buf_ptr++ = c; } constexpr inline unsigned long build_long(char c1, char c2, char c3, char c4, char c5, char c6, char c7, char c8) { unsigned long n = c8; n <<= 8; n |= c7; n <<= 8; n |= c6; n <<= 8; n |= c5; n <<= 8; n |= c4; n <<= 8; n |= c3; n <<= 8; n |= c2; n <<= 8; n |= c1; return n; } template <bool LeadingZeroes> struct output { constexpr output() { char lead = LeadingZeroes ? '0' : ' '; for(unsigned long c1 = 1; c1 <= 9; ++c1) for(unsigned long c2 = 0; c2 <= 9; ++c2) for(unsigned long c3 = 0; c3 <= 9; ++c3) for(unsigned long c4 = 0; c4 <= 9; ++c4) for(unsigned long c5 = 0; c5 <= 9; ++c5) arr[10'000*c1+1'000*c2+100*c3+10*c4+c5] = build_long('0'+c1, '0'+c2, '0'+c3, '0'+c4, '0'+c5, ' ', '0', '0'); for(unsigned long c2 = 1; c2 <= 9; ++c2) for(unsigned long c3 = 0; c3 <= 9; ++c3) for(unsigned long c4 = 0; c4 <= 9; ++c4) for(unsigned long c5 = 0; c5 <= 9; ++c5) arr[1'000*c2+100*c3+10*c4+c5] = build_long(lead, '0'+c2, '0'+c3, '0'+c4, '0'+c5, ' ', '0', '0'); for(unsigned long c3 = 1; c3 <= 9; ++c3) for(unsigned long c4 = 0; c4 <= 9; ++c4) for(unsigned long c5 = 0; c5 <= 9; ++c5) arr[100*c3+10*c4+c5] = build_long(lead, lead, '0'+c3, '0'+c4, '0'+c5, ' ', '0', '0'); for(unsigned long c4 = 1; c4 <= 9; ++c4) for(unsigned long c5 = 0; c5 <= 9; ++c5) arr[10*c4+c5] = build_long(lead, lead, lead, '0'+c4, '0'+c5, ' ', '0', '0'); for(unsigned long c5 = 0; c5 <= 9; ++c5) arr[c5] = build_long(lead, lead, lead, lead, '0'+c5, ' ', '0', '0'); } array<unsigned long, 100'000> arr{}; }; constexpr output<true> out_lz; constexpr output<false> out_ls; void write_long(unsigned long l, unsigned long n) { *reinterpret_cast<unsigned long*> (buf_ptr) = l; buf_ptr += n; } pair<unsigned long, unsigned long> podziel(unsigned long a, unsigned long b) { return {a/b, a%b}; } void write_int(unsigned long x) { if(x >= 100'000) { auto [a, b] = podziel(x, 100'000); write_long(out_ls.arr[a], 5); write_long(out_lz.arr[b], 6); } else { write_long(out_ls.arr[x], 6); } } } int main() { int n = fastin(); vector<int> a(n); for(int i = 0; i < n; ++i) { char c; c = getchar_unlocked(); a[i] = c == 'L' ? 0 : 1; } vector<int> ans(n); int l = 0, r = n-1; int x = 0; while (l <= r) { while (a[l] == 0 && l <= r) ans[l++] = x; while (a[r] == 1 && l <= r) ans[r--] = x; if(l > r) break; assert(a[l] == 1 && a[r] == 0); ans[l] = ans[r] = 1 + x; ++l; --r; x += 2; } for(auto e : ans) write_int(e); write(STDOUT_FILENO, buf, buf_ptr-buf); return 0; } |