Submission #674170

#	Time	Username	Problem	Language	Result	Execution time	Memory
674170		kirakaminski968	Wall (IOI14_wall)	C++17	Compilation error	0 ms	0 KiB

wall

#include <iostream>
#include <iostream>
#include <algorithm>
#include <cstring>
#include <cmath>
#include <vector>
#include <functional>
#include <numeric>
#include <utility>
#include <cassert>
using namespace std;
using pii = pair<int, int>;
#define MP make_pair
#define FF first
#define SS second
const int inf = 2000000011;
const pii def = MP(-inf, inf);
int N, Q;
pii T[8000000];
void init(int t = 1, int tl = 0, int tr = N - 1) {
    if (tl == 0 && tr == N - 1)
        T[t] = MP(0, 0);
    else 
        T[t] = def;
    if (tl == tr) return;
    int tm = (tl + tr) >> 1;
    init(t << 1, tl, tm);
    init(t << 1 | 1, tm + 1, tr);
}
pii push(pii a, pii b) {
    if (a.SS < b.FF) 
        return MP(a.SS, a.SS);
    if (b.SS < a.FF)
        return MP(a.FF, a.FF);
    return MP(max(a.FF, b.FF), min(a.SS, b.SS));
}
void pushdown(int t) {
    if (T[t] != def) {
        T[t << 1] = push(T[t], T[t << 1]);
        T[t << 1 | 1] = push(T[t], T[t << 1 | 1]);
        T[t] = def;
    }
}
void update(int l, int r, pii v, int t = 1, int tl = 0, int tr = N - 1) {
    if (r < tl || tr < l)
        return;
    if (l <= tl && tr <= r) {
        T[t] = push(v, T[t]);
        return;
    }
    if (tl != tr)
        pushdown(t);
    int tm = (tl + tr) >> 1;
    update(l, r, v, t << 1, tl, tm);
    update(l, r, v, t << 1 | 1, tm + 1, tr);
}
void pushall(int* ans, int t = 1, int tl = 0, int tr = N - 1) {
    if (tl == tr) {
        ans[tl] = T[t].FF;
        return;
    }
    else 
        pushdown(t);
    int tm = (tl + tr) >> 1;
    pushall(ans, t << 1, tl, tm);
    pushall(ans, t << 1 | 1, tm + 1, tr);
}
void buildWall(int n, int k, int* op, int* lb, int* rb, int* h, int* ans) {
    N = n, Q = k;
    init();
    for (int q = 0; q < Q; q++) {
        pii v = def;
        if (op[q] == 1)
            v.FF = h[q];
        else if (op[q] == 2)
            v.SS = h[q];
        update(lb[q], rb[q], v);
    }
    pushall(ans);
}
int n, q, op[500005], lb[500005], rb[500005], h[500005], ans[500005];
int main() {
    ios_base::sync_with_stdio(0); cin.tie(0);
    cin >> n >> q;
    for (int i = 0; i < q; i++) 
        cin >> op[i] >> lb[i] >> rb[i] >> h[i];
    buildWall(n, q, op, lb, rb, h, ans);
    for (int i = 0; i < n; i++)
        cout << ans[i] << ' ';
    cout << endl;
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccuuXYfV.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccRHb1hX.o:wall.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status