이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include <fstream>
#include <iostream>
#include <vector>
#include <set>
#include <map>
#include <queue>
#include <bitset>
#include <deque>
#include <string>
#include <stack>
#include <algorithm>
#include <utility>
#include <math.h>
#include <ctime>
using namespace std;
typedef long long int63;
typedef unsigned long long int64;
#define forl(name,start,end,jump) for(int63 name = start; name < end; name+=jump)
#define forlb(name,start,end,jump) for(int63 name = end - 1; name >= start; name+=jump)
#define forn(name,start,end) forl(name,start,end,1)
#define fornb(name,start,end) forlb(name,start,end,-1)
#define fort(start,end) forn(i,start,end)
#define fortb(start,end) fornb(i,start,end)
#define forto(start,end) forn(j,start,end)
#define fortob(start,end) fornb(j,start,end)
#define fortoo(start,end) forn(l,start,end)
#define all(vec) vec.begin(),vec.end()
#define rall(vec) vec.rbegin(),vec.rend()
#define makeitem(itemname,itemtype) itemtype itemname; cin >> itemname
#define makeint(intname) int63 intname; cin >> intname
#define makeN int63 n; cin >> n
#define makeM int63 m; cin >> m
#define makeL int63 l; cin >> l
#define makeT int63 t; cin >> t
#define makeK int63 k; cin >> k
#define point pair<int63,int63>
#define dpoint pair<double,double>
#define ldpoint pair<long double,long double>
#define spoint pair<short,short>
#define ipoint pair<int,int>
#define matrix(type) vector<vector<type>>
#define in(name) cin >> name;
#define tosort(name) name.begin(),name.end()
int63 powmod(int63 base, int63 exponent, int63 mod) {
int63 result = 1;
while (exponent > 0) {
if (exponent % 2 == 0) {
exponent /= 2;
base = (base * base) % mod;
}
else {
result = (result * base) % mod;
exponent /= 2;
base = (base * base) % mod;
}
}
return result;
}
bool decresing(int63 x, int63 y) {
return x > y;
}
int63 modInverse(int63 a, int63 b) {//finds inverse of a mod b ...?
int63 m = b;
int63 y = 0, x = 1;
while (a > 1) {
int63 q = a / m;
int63 t = m;
m = a % m, a = t;
t = y;
y = x - q * y;
x = t;
}
if (x < 0) {
x += b;
}
return x;
}
int63 trin(int63 start, int63 stop) {
return (stop - start + 1) * (stop + start) / 2;
}
int63 trin2(int63 start, int63 stop, int63 mod) {
return (((((stop - start + 1) % mod) * ((stop + start) % mod)) % mod)*modInverse(2, mod) % mod) % mod;
}
int63 trig(int63 start, int63 stop, int63 jump, int63 mod) {
return ((trin2((start + jump - 1) / jump, stop / jump, mod)) * (jump%mod)) % mod;
}
int63 cntot(int63 start, int63 stop, int63 jump, int63 mod) {
return (stop / jump - (start + jump - 1) / jump + 1) % mod;
}
bool sortvectorf(point a, point b) {
return((a.first > b.first) || (a.first == b.first && a.second > b.second));
}
bool sortvectordiv(point a, point b) {
return a.first * b.second > b.first * a.second;
}
bool sortvectorfv(point a, point b) {
return((a.first > b.first) || (a.first == b.first && a.second < b.second));
}
bool sortvectors(point a, point b) {
return((a.second > b.second) || (a.second == b.second && a.first > b.first));
}
bool negasortvectorf(point a, point b) {
return((a.first < b.first) || (a.first == b.first && a.second < b.second));
}
bool negasortvectors(point a, point b) {
return((a.second < b.second) || (a.second == b.second && a.first < b.first));
}
vector<vector<int63>> findPermutationsI(vector<int63> &a) {
// Sort the given array
sort(a.begin(), a.end());
vector<vector<int63> > sol;
// Find all possible permutations
do {
sol.push_back(a);
} while (next_permutation(a.begin(), a.end()));
return sol;
}
vector<vector<string>> findPermutationsS(vector<string> &a) {
// Sort the given array
sort(a.begin(), a.end());
vector<vector<string> > sol;
// Find all possible permutations
do {
sol.push_back(a);
} while (next_permutation(a.begin(), a.end()));
return sol;
}
int63 gcd(int63 a, int63 b) {
if (a == 0) {
return b;
}
if (b == 0) {
return a;
}
return gcd(b % a, a);
}
bool isprime(int63 n) {
fort(2, n) {
if (i * i > n) {
break;
}
if ((n / i) * i == n) {
return false;
}
}
return true;
}
int63 fdivisor(int63 n, int63 fro) {
fort(1, n + 1) {
if ((n / i) * i == n && i >= fro) {
return i;
}
}
return -1;
}
vector<int63> divlist(int63 n) {
vector<int63> curr;
fort(1, n + 1) {
if ((int63)i * i > n) {
break;
}
if ((n / i) * i == n) {
curr.push_back(i);
curr.push_back(n / i);
}
if ((int63)i * i == n) {
curr.pop_back();
}
}
sort(all(curr));
return curr;
}
vector<int63> pdivlist(int63 n) {
vector<int63> curr;
fort(2, n + 1) {
if (i * i > n) {
break;
}
if ((n % i) == 0) {
if (isprime(i)) { curr.push_back(i); }
int63 ni = n / i;
if (isprime(ni)) { curr.push_back(ni); }
if (i * i == n && isprime(i)) {
curr.pop_back();
}
if (isprime(i)) {
while ((n % i) == 0) {
n /= i;
}
}
if (isprime(ni)) {
while ((n % ni) == 0) {
n /= ni;
}
}
}
if (i % 2) {
i++;
}
}
if (n > 1 && (curr.size() == 0 || curr[curr.size()-1] != n) && isprime(n)) {
curr.push_back(n);
}
sort(all(curr));
return curr;
}
int63 countdivisors(int63 n, int63 divd, int63 rem) {
vector<int63> divs = divlist(n);
int63 tot = 0;
fort(0, (int63)divs.size()) {
if (divs[i] % divd == rem) {
tot++;
}
}
if (n % divd == rem) {
tot++;
}
return tot;
}
int63 digsum(int63 num) {
int63 cr = 0;
while (num > 0) {
cr += num % 10;
num /= 10;
}
return cr;
}
vector<int63>atzeret;
int63 azeret(int63 num, int63 mod) {
if (mod == 1000000007) {
if ((int63)atzeret.size() > num) {
return atzeret[num];
}
if (num == 0) {
atzeret.push_back(1);
return atzeret[num];
}
azeret(num - 1, mod);
atzeret.push_back((atzeret[num-1] * num) % mod);
return atzeret[num];
}
int63 sil = 1;
while (num > 1) {
sil *= num;
sil %= mod;
num--;
}
return sil;
}
int63 moddiv(int63 to, int63 by, int63 mod) {
to %= mod;
by %= mod;
to *= modInverse(by, mod);
return to % mod;
}
int63 choose(int63 num, int63 choice, int63 mod) {
if (choice < 0 || choice > num) {
return 0;
}
return moddiv(azeret(num, mod), (azeret(choice, mod)*azeret(num - choice, mod)) % mod, mod);
}
class node {
public:
int data1;
int data2;
node* nxt;
node* bef;
node(int dat1, int dat2, node*bif) {
this->nxt = NULL;
this->bef = bif;
this->bef->nxt = this;
this->data1 = dat1;
this->data2 = dat2;
}
node(int dat1, int dat2) {
this->nxt = NULL;
this->bef = NULL;
this->data1 = dat1;
this->data2 = dat2;
}
node() {
this->nxt = NULL;
this->bef = NULL;
this->data1 = 0;
this->data2 = 0;
}
void remove() {
this->bef->nxt = this->nxt;
if (this->nxt != NULL) {
this->nxt->bef = this->bef;
}
}
void push(int dat1, int dat2) {
node* next = this->nxt;
node* curr = new node(dat1, dat2, this);
curr->nxt = next;
next->bef = curr;
}
};
bool by_first(pair<point, point> a, pair<point, point> b) {
return a.first.first < b.first.first;
}
bool ff_fs(pair<pair<int63, bool>, int63> a, pair<pair<int63, bool>, int63> b) {
return a.first.first < b.first.first || (a.first.first == b.first.first && a.first.second && !b.first.second);
}
bool f_s_b(pair<int63, int63> a, pair<int63, int63> b) {
return a.first > b.first || (a.first == b.first && a.second > b.second);
}
#define make(name) int63 name; cin >> name
#define remake(name) if(name == -1){cin >> name;}
bool palindrome(string s) {
fort(0, (int63)s.size() / 2) {
if (s[i] != s[s.size() - 1 - i]) {
return 0;
}
}
return 1;
}
struct union_find {
vector<int63>rot;
vector<vector<int63>> rat;
void init(int63 n) {
fort(0, n) {
rot.push_back(i);
rat.push_back({ i });
}
}
bool unio(int63 f, int63 s) {
if (rot[f] == rot[s]) {
return false;
}
//rot[f] <-> rot[s]
if (rat[rot[f]].size() > rat[rot[s]].size()) {
//s to f
int63 siz = rat[rot[s]].size();
int63 rs = rot[s];
fort(0, siz) {
rat[rot[f]].push_back(rat[rs][i]);
rot[rat[rs][i]] = rot[f];
}
return true;
}
int63 siz = rat[rot[f]].size();
int63 rf = rot[f];
fort(0, siz) {
rat[rot[s]].push_back(rat[rf][i]);
rot[rat[rf][i]] = rot[s];
}
return true;
}
};
//
vector<int> subsum(vector<int> items, int limit) {
vector<vector<int> > table(items.size() + 1, vector<int>(limit + 1));
forto(1, (int63)items.size() + 1) {
int wt = items[j - 1];
int val = wt;
for (int w = 1; w < limit + 1; w++) {
if (wt > w) {
table[j][w] = table[j - 1][w];
}
else {
table[j][w] = max(table[j - 1][w], (int)(table[j - 1][w - wt] + val));
}
}
}
vector<int> result;
int w = limit;
for (int j = items.size(); j > 0; j--) {
bool was_added = table[j][w] != table[j - 1][w];
if (was_added) {
int wt = items[j - 1];
result.push_back(j - 1);
w -= wt;
}
}
sort(all(result));
return result;
}
int63 detrig(int63 num) {
int63 minus = 0;
while (true) {
if (num <= 0) {
return minus;
}
minus++;
num -= minus;
}
}
int63 palpref(string &s) {
int63 ha1 = 0, ha2 = 0, hr1 = 0, hr2 = 0;
int63 m1 = 1, m2 = 1;
int63 mix = 0;
forto(0, s.size()) {
ha1 = (ha1 + m1 * s[j]) % 1000000007;
ha2 = (ha2 + m2 * s[j]) % 998244353;
hr1 = (s[j] + 359 * hr1) % 1000000007;
hr2 = (s[j] + 401 * hr2) % 998244353;
m1 *= 359, m1 %= 1000000007;
m2 *= 401, m2 %= 998244353;
if (ha1 == hr1 && ha2 == hr2) {
mix = j + 1;
}
}
return mix;
}
double diffclock(clock_t clock1, clock_t clock2)
{
double diffticks = clock1 - clock2;
double diffms = (diffticks) / (CLOCKS_PER_SEC / 1000);
return diffms;
}
struct fenwick {
int63 n;
vector<int63> data;
vector<int63> real;
void init(int63 n) {
this->n = n;
data.resize(n);
real.resize(n);
}
void add(int63 pos, int63 val) {
real[pos] += val;
pos++;
int63 cur = 0;
while (pos << cur <= this->n) {
if (pos % 2 == 1) {
this->data[(pos << cur) - 1] += val;
}
cur++;
pos = (pos + 1) / 2;
}
}
void upd(int63 pos, int63 val) {
add(pos, val - real[pos]);
}
int63 query0(int63 a) {
int63 sol = 0;
int63 cur = 0;
a++;
while (a) {
if (a % 2 == 1) {
sol += data[(a << cur) - 1];
}
cur++;
a /= 2;
}
return sol;
}
int63 query(int63 a, int63 b) {
return query0(b) - query0(a - 1);
}
};
struct fenwickOPT {
int63 n;
vector<int63> data;
void init(int63 nn) {
n = nn;
data = vector<int63>(n, 0);
}
void add(int63 pos, int63 val) {
pos++;
while (pos <= n) {
data[pos - 1] += val;
pos += (pos & (-pos));
}
}
int63 query0(int63 a) {
int63 sol = 0;
a++;
while (a) {
sol += data[a - 1];
a -= (a & (-a));
}
return sol;
}
};
void setIO(string s) { //this function is the template that redefines the standard IO
ios_base::sync_with_stdio(0); cin.tie(0);
freopen((s + ".in").c_str(), "r", stdin);
freopen((s + ".out").c_str(), "w", stdout);
}
point mi(point a, point b) {
return { a.first - b.first,a.second - b.second };
}
bool isleft(point a, point b, point c) {//line from a to b, when it is 0,0 -> 0,1
if (a.first == b.first) {
return (c.first < a.first) ^ (a.second > b.second);
}
long double m = (b.second - a.second) / ((double)b.first - a.first);
long double y = a.second - a.first * m;
return ((c.second - y - c.first * m) > 0) ^ (a.first > b.first);
}
bool online(point a, point b, point c) {//line from a to b, when it is 0,0 -> 0,1
c = mi(c, a);
b = mi(b, a);
a = mi(a, a);
return ((a == b) || (b.second * c.first == c.second * b.first));
}
bool linein(point a, point b, point c) {//line from a to b, when it is 0,0 -> 0,1
b.first -= a.first;
c.first -= a.first;
a.first = 0;
b.second -= a.second;
c.second -= a.second;
a.second = 0;
if (b.second < 0) {
b.second *= -1;
c.second *= -1;
}
if (b.first < 0) {
b.first *= -1;
c.first *= -1;
}
if (b.first == 0) {
return ((c.first == 0) && (c.second >= 0) && (c.second <= b.second));
}
long double m = (b.second - a.second) / ((double)b.first - a.first);
long double cy = abs(c.second - c.first * m);
return ((abs(cy) < 1e-11) && (c.first >= 0) && (c.first <= b.first));
}
bool interhelp(point a, point b, point c, point d) {
if (online(a, b, c) || online(a, b, d)) {
return 1;
}
return (isleft(a, b, c) ^ isleft(a, b, d));
}
bool intersect(ldpoint a, ldpoint b, ldpoint c, ldpoint d) {
if (online(a, b, c) && online(a, b, d)) {
b.first -= a.first;
c.first -= a.first;
d.first -= a.first;
a.first = 0;
b.second -= a.second;
c.second -= a.second;
d.second -= a.second;
a.second = 0;
if (b.first == 0) {
if (b.second < 0) {
b.second *= -1;
c.second *= -1;
d.second *= -1;
}
if (d.second > c.second) {
swap(c, d);
}
return (c.second >= 0 && d.second <= b.second);
}
b.second /= b.first;
c.second /= b.first;
d.second /= b.first;
c.first /= b.first;
d.first /= b.first;
b.first = 1;
c.second -= c.first * b.second;
d.second -= d.first * b.second;
b.second = 0;
if (d.first > c.first) {
swap(c, d);
}
return (c.first >= -1e-11 && d.first <= 1e-11);
}
return (interhelp(a, b, c, d) && interhelp(c, d, a, b));
}
int63 vci(point a, point b) {
return abs(a.first*b.second - a.second*b.first);
}
int63 ar(point a, point b, point c) {
point bb = mi(b, a), cc = mi(c, a);
return vci(bb, cc);
}
bool intriangle(point a, point b, point c, point d) {
return ((ar(a, b, c) + ar(a, b, d) + ar(a, c, d)) == ar(b, c, d));
}
int63 countlattice(point a, point b) {
b.first -= a.first;
b.second -= a.second;
a.first = 0;
a.second = 0;
b.first = abs(b.first);
b.second = abs(b.second);
if (b.first == 0) {
return b.second;
}
vector<int63> ops = divlist(b.first);
fort(0, (int63)ops.size()) {
if ((b.second * ops[i] % b.first) == 0) {
return b.first / ops[i];
}
}
return 0;
}
struct Line {
mutable int63 m, b, p;
const bool real;//real = comparison 1, not real = comparison 2
bool operator<(const Line& o) const { if (real && o.real) { return (m < o.m); } else { return p < o.p; } };
};
struct cht : multiset<Line, less<Line>> {
// (for doubles, use inf = 1/.0, div(a,b) = a/b)
const int63 inf = 9223372036854775807;
int63 div(int63 a, int63 b) { // floored division
return a / b - ((a ^ b) < 0 && a % b);
}
//isect does ???
//takes 2 iterators.
bool isect(iterator x, iterator y) {
if (y == end()) { x->p = inf; return false; }
if (x->m == y->m) x->p = x->b > y->b ? inf : -inf;
else x->p = div(y->b - x->b, x->m - y->m);
return x->p >= y->p;
}
//adds a line...
//how?
void add(int63 b, int63 m) {
auto z = insert({ m, b, 0, 1 }), y = z++, x = y;
while (isect(y, z)) z = erase(z);
if (x != begin() && isect(--x, y)) isect(x, y = erase(y));
while ((y = x) != begin() && (--x)->p >= y->p) isect(x, erase(y));
}
void init() {
add(-9999999999999999, 0);
}
int63 query(int63 x) {
if (empty()) exit(1);
auto l = *(lower_bound({ 0, 0, x, 0 }));
return l.m * x + l.b;
}
};
bool spchfunc(point a, point b) {
if (a.first == 0) {
if (b.first == 0) {
return a.second < b.second;
}
return 1;
}
if (b.first == 0) {
return 0;
}
if (a.second * b.first != b.second * a.first) {
return (a.second * b.first > b.second * a.first);
}
return (a.first < b.first);
}
vector<int63> ch(vector<int63> pts) {
vector<point> ans;
fort(0, pts.size() / 2) {
ans.push_back({ pts[i * 2],pts[i * 2 + 1] });
}
sort(all(ans));
point a0 = ans[0];
fort(0, ans.size()) {
ans[i] = mi(ans[i], a0);
}
sort(all(ans), spchfunc);
fortb(0, ans.size() - 1) {
if (ans[i].second * ans[i + 1].first != ans[i].first * ans[i + 1].second) {
reverse(ans.begin() + i + 1, ans.begin() + ans.size());
break;
}
}
vector<bool>ich(ans.size(), 1);
vector<int63> ret;
vector<int63> st(2);
st[0] = 0;
st[1] = 1;
fort(2, ans.size()) {
while (st.size() > 1 && (!online(ans[st[st.size() - 2]], ans[st[st.size() - 1]], ans[i]) && isleft(ans[st[st.size() - 2]], ans[st[st.size() - 1]], ans[i]))) {
ich[st[st.size() - 1]] = 0;
st.pop_back();
}
st.push_back(i);
}
fort(0, ans.size()) {
ans[i] = mi(ans[i], mi({ 0,0 }, a0));
}
fort(0, ans.size()) {
if (!ich[i]) {
continue;
}
ret.push_back(ans[i].first);
ret.push_back(ans[i].second);
}
return ret;
}
struct Pqueue {
#define Spoint pair<double,int63>
vector<Spoint> vals;
void add(Spoint ex) {
vals.push_back(ex);
int63 cr = vals.size() - 1;
while (cr && vals[cr].first < vals[cr / 2].first) {
swap(vals[cr], vals[cr / 2]);
cr /= 2;
}
}
void hpf() {
int63 cr = 0;
while (cr * 2 < vals.size()) {
if (cr * 2 + 1 < vals.size() && vals[cr * 2 + 1].first < vals[cr * 2].first && vals[cr * 2 + 1].first < vals[cr].first) {
swap(vals[cr], vals[cr * 2 + 1]);
cr *= 2;
cr++;
continue;
}
if (vals[cr * 2].first < vals[cr].first) {
swap(vals[cr], vals[cr * 2]);
cr *= 2;
continue;
}
break;
}
}
void rem() {
if (!vals.size()) {
return;
}
swap(vals[0], vals[vals.size() - 1]);
vals.pop_back();
hpf();
}
int63 get() {
if (!vals.size()) {
return -1;
}
return vals[0].second;
}
};
struct Seg {
int63 l, r, v, t;
Seg *lp, *rp;
int63 v0() {
if (t == 0) {
return 999999999999;//min
}
if (t == 1) {
return -999999999999;//max
}
if (t == 10) {
return -999999999999;//min*
}
if (t == 11) {
return 999999999999;//max*
}
}
int63 v1() {
if (t == 0) {
return 999999999999;//min
}
if (t == 1) {
return -999999999999;//max
}
if (t == 10) {
return 999999999999;//min*
}
if (t == 11) {
return -999999999999;//max*
}
}
int63 act(int63 a, int63 b) {
if (t == 0) {
return min(a, b);
}
if (t == 1) {
return max(a, b);
}
if (t == 10) {
return min(a, b);
}
if (t == 11) {
return max(a, b);
}
}
void pull() {
v = act(lp->v, rp->v);
}
Seg(int63 l, int63 r, int63 t) : l(l), r(r), t(t) {
if (l == r) {
v = v0();
lp = NULL;
rp = NULL;
return;
}
lp = new Seg(l, (l + r) / 2, t);
rp = new Seg((l + r) / 2 + 1, r, t);
pull();
}
void upd(int63 p, int63 v) {
if (l == r) {
this->v = v;
return;
}
if (p <= (l + r) / 2) {
lp->upd(p, v);
} else {
rp->upd(p, v);
}
pull();
}
int63 query(int63 l, int63 r) {
if (l > this->r || r < this->l) {
return v1();
}
if (l <= this->l && r >= this->r) {
return v;
}
return act(lp->query(l, r), rp->query(l, r));
}
};
struct Dsu {
vector<int63> f;
vector<int63> s;
Dsu(int63 n) {
f = vector<int63>(n, -1);
s = vector<int63>(n, 1);
}
int63 F(int63 x) {
if (f[x] == -1) {
return x;
}
return (f[x] = F(f[x]));
}
int63 S(int63 x) {
return s[F(x)];
}
bool sm(int63 a, int63 b) {
return F(a) == F(b);
}
void mrg(int63 a, int63 b) {
a = F(a);
b = F(b);
if (a == b) {
return;
}
if (s[a] > s[b]) {
s[a] += s[b];
f[b] = a;
} else {
s[b] += s[a];
f[a] = b;
}
}
};
int63 t = 1;
int main() {
//setIO("tallbarn");
ios::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
srand(time(NULL));
if (t == 0) {
cin >> t;
}
do {
make(n);
make(m);
vector<pair<int63, point>>v(m);
fort(0, m) {
cin >> v[i].second.first >> v[i].second.second >> v[i].first;
v[i].second.first--;
v[i].second.second--;
}
sort(rall(v));
make(q);
int63 t, a, b;
vector<pair<int63,point>> vp;
fort(0, q) {
cin >> t >> a >> b;
a--;
vp.push_back({ b,{a,i} });
}
sort(rall(vp));
vector<int63> ans(q);
int63 cr = 0;
Dsu brg(n);
fort(0, q) {
while (cr < m && v[cr].first >= vp[i].first) {
brg.mrg(v[cr].second.first, v[cr].second.second);
cr++;
}
ans[vp[i].second.second] = brg.S(vp[i].second.first);
}
fort(0, q) {
cout << ans[i] << endl;
}
} while (--t);
return 0;
}
컴파일 시 표준 에러 (stderr) 메시지
bridges.cpp: In function 'int63 palpref(std::string&)':
bridges.cpp:19:64: warning: comparison of integer expressions of different signedness: 'int63' {aka 'long long int'} and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
19 | #define forl(name,start,end,jump) for(int63 name = start; name < end; name+=jump)
| ^
bridges.cpp:21:30: note: in expansion of macro 'forl'
21 | #define forn(name,start,end) forl(name,start,end,1)
| ^~~~
bridges.cpp:25:26: note: in expansion of macro 'forn'
25 | #define forto(start,end) forn(j,start,end)
| ^~~~
bridges.cpp:397:2: note: in expansion of macro 'forto'
397 | forto(0, s.size()) {
| ^~~~~
bridges.cpp: In function 'std::vector<long long int> ch(std::vector<long long int>)':
bridges.cpp:19:64: warning: comparison of integer expressions of different signedness: 'int63' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
19 | #define forl(name,start,end,jump) for(int63 name = start; name < end; name+=jump)
| ^
bridges.cpp:21:30: note: in expansion of macro 'forl'
21 | #define forn(name,start,end) forl(name,start,end,1)
| ^~~~
bridges.cpp:23:25: note: in expansion of macro 'forn'
23 | #define fort(start,end) forn(i,start,end)
| ^~~~
bridges.cpp:652:2: note: in expansion of macro 'fort'
652 | fort(0, pts.size() / 2) {
| ^~~~
bridges.cpp:19:64: warning: comparison of integer expressions of different signedness: 'int63' {aka 'long long int'} and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
19 | #define forl(name,start,end,jump) for(int63 name = start; name < end; name+=jump)
| ^
bridges.cpp:21:30: note: in expansion of macro 'forl'
21 | #define forn(name,start,end) forl(name,start,end,1)
| ^~~~
bridges.cpp:23:25: note: in expansion of macro 'forn'
23 | #define fort(start,end) forn(i,start,end)
| ^~~~
bridges.cpp:657:2: note: in expansion of macro 'fort'
657 | fort(0, ans.size()) {
| ^~~~
bridges.cpp:19:64: warning: comparison of integer expressions of different signedness: 'int63' {aka 'long long int'} and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
19 | #define forl(name,start,end,jump) for(int63 name = start; name < end; name+=jump)
| ^
bridges.cpp:21:30: note: in expansion of macro 'forl'
21 | #define forn(name,start,end) forl(name,start,end,1)
| ^~~~
bridges.cpp:23:25: note: in expansion of macro 'forn'
23 | #define fort(start,end) forn(i,start,end)
| ^~~~
bridges.cpp:672:2: note: in expansion of macro 'fort'
672 | fort(2, ans.size()) {
| ^~~~
bridges.cpp:19:64: warning: comparison of integer expressions of different signedness: 'int63' {aka 'long long int'} and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
19 | #define forl(name,start,end,jump) for(int63 name = start; name < end; name+=jump)
| ^
bridges.cpp:21:30: note: in expansion of macro 'forl'
21 | #define forn(name,start,end) forl(name,start,end,1)
| ^~~~
bridges.cpp:23:25: note: in expansion of macro 'forn'
23 | #define fort(start,end) forn(i,start,end)
| ^~~~
bridges.cpp:679:2: note: in expansion of macro 'fort'
679 | fort(0, ans.size()) {
| ^~~~
bridges.cpp:19:64: warning: comparison of integer expressions of different signedness: 'int63' {aka 'long long int'} and 'std::vector<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
19 | #define forl(name,start,end,jump) for(int63 name = start; name < end; name+=jump)
| ^
bridges.cpp:21:30: note: in expansion of macro 'forl'
21 | #define forn(name,start,end) forl(name,start,end,1)
| ^~~~
bridges.cpp:23:25: note: in expansion of macro 'forn'
23 | #define fort(start,end) forn(i,start,end)
| ^~~~
bridges.cpp:682:2: note: in expansion of macro 'fort'
682 | fort(0, ans.size()) {
| ^~~~
bridges.cpp: In member function 'void Pqueue::hpf()':
bridges.cpp:704:17: warning: comparison of integer expressions of different signedness: 'int63' {aka 'long long int'} and 'std::vector<std::pair<double, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
704 | while (cr * 2 < vals.size()) {
| ~~~~~~~^~~~~~~~~~~~~
bridges.cpp:705:19: warning: comparison of integer expressions of different signedness: 'int63' {aka 'long long int'} and 'std::vector<std::pair<double, long long int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
705 | if (cr * 2 + 1 < vals.size() && vals[cr * 2 + 1].first < vals[cr * 2].first && vals[cr * 2 + 1].first < vals[cr].first) {
| ~~~~~~~~~~~^~~~~~~~~~~~~
bridges.cpp: In function 'void setIO(std::string)':
bridges.cpp:486:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
486 | freopen((s + ".in").c_str(), "r", stdin);
| ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
bridges.cpp:487:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
487 | freopen((s + ".out").c_str(), "w", stdout);
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