#include #include #include #include #include #include #include #include #include #include class strictInput { char *p; off_t cur = 0; off_t len = 0; public: explicit strictInput(int fd = 0) { struct stat st; fstat(fd, &st); p = (char *)mmap(NULL, st.st_size, PROT_READ, MAP_SHARED, fd, 0); len = st.st_size; } char readChar() { assert(cur != len); return p[cur++]; } void unreadChar() { assert(cur != 0); --cur; } bool isEOF() { return cur == len; } void readEOF() { assert(isEOF()); } void readSpace() { assert(readChar() == ' '); } void readEoln() { assert(readChar() == '\n'); } // reads uint64_t in range [from, to] uint64_t readU64(uint64_t from = 0, uint64_t to = UINT64_MAX) { uint64_t cur = 0; off_t read_cnt = 0; bool leading_zero = false; while (!isEOF()) { char p = readChar(); if (!('0' <= p && p <= '9')) { unreadChar(); break; } uint64_t v = p - '0'; assert(cur <= UINT64_MAX / 10); cur *= 10; assert(cur <= UINT64_MAX - v); cur += v; if (read_cnt == 0 && v == 0) leading_zero = true; ++read_cnt; } if (cur == 0) assert(read_cnt == 1); else assert(!leading_zero); return cur; } // reads int64_t in range [from, to] int64_t readI64(int64_t from = INT64_MIN, int64_t to = INT64_MAX) { uint64_t cur = 0; off_t read_cnt = 0; bool leading_zero = false; bool leading_minus = readChar() == '-'; if (!leading_minus) unreadChar(); while (!isEOF()) { char p = readChar(); if (!('0' <= p && p <= '9')) { unreadChar(); break; } uint64_t v = p - '0'; assert(cur <= UINT64_MAX / 10); cur *= 10; assert(cur <= UINT64_MAX - v); cur += v; if (read_cnt == 0 && v == 0) leading_zero = true; ++read_cnt; } if (cur == 0) assert(read_cnt == 1 && !leading_minus); else assert(!leading_zero); if (cur <= INT64_MAX) { int64_t ret = cur; if (leading_minus) ret = -ret; return ret; } else { assert(leading_minus && cur == uint64_t(INT64_MIN)); return INT64_MIN; } } }; using namespace std; int main() { strictInput Inp; int N = Inp.readI64(1, 100'000); Inp.readEoln(); vector> V(N); int mina = INT_MAX, maxa = INT_MIN, minb = INT_MAX, maxb = INT_MIN; for (auto &[a, b] : V) { int x, y; x = Inp.readI64(-1'000'000'000, 1'000'000'000); Inp.readSpace(); y = Inp.readI64(-1'000'000'000, 1'000'000'000); Inp.readEoln(); a = (x + y) / 2, b = (x - y) / 2; mina = min(mina, a), maxa = max(maxa, a); minb = min(minb, b), maxb = max(maxb, b); } Inp.readEOF(); int ans1 = 0, ans2 = 0; for (auto [a, b] : V) { ans1 = max(ans1, min(max(a - mina, b - minb), max(maxa - a, maxb - b))); ans2 = max(ans2, min(max(a - mina, maxb - b), max(maxa - a, b - minb))); } cout << min(ans1, ans2) << endl; }