Submission #113590

#	Time	Username	Problem	Language	Result	Execution time	Memory
113590		nvmdava	Wall (IOI14_wall)	C++17	Compilation error	0 ms	0 KiB

wall

#include "wall.h"
#include <bits/stdc++.h>
using namespace std;
#define N 2097152
#define inf 100005
struct Query{
    int l, r;
};

Query lazy[N << 1];
int tree[N << 1];

void push(int id){
    if(id >= N){
        tree[id] = min(tree[id], lazy[id].r);
        tree[id] = max(tree[id], lazy[id].l);
    } else {
        if(lazy[id << 1].r <= lazy[id].l){
            lazy[id << 1].l = lazy[id].l;
            lazy[id << 1].r = lazy[id].l;
        } else if(lazy[id << 1].l >= lazy[id].r){
            lazy[id << 1].l = lazy[id].r;
            lazy[id << 1].r = lazy[id].r;
        } else {
            lazy[id << 1].l = max(lazy[id << 1].l, lazy[id].l);
            lazy[id << 1].r = min(lazy[id << 1].r, lazy[id].r);
        }
        if(lazy[id << 1 | 1].r <= lazy[id].l){
            lazy[id << 1 | 1].l = lazy[id].l;
            lazy[id << 1 | 1].r = lazy[id].l;
        } else if(lazy[id << 1 | 1].l >= lazy[id].r){
            lazy[id << 1 | 1].l = lazy[id].r;
            lazy[id << 1 | 1].r = lazy[id].r;
        } else {
            lazy[id << 1 | 1].l = max(lazy[id << 1 | 1].l, lazy[id].l);
            lazy[id << 1 | 1].r = min(lazy[id << 1 | 1].r, lazy[id].r);
        }
    }
    lazy[id].l = 0;
    lazy[id].r = inf;
}

void update(int id, int l, int r, int L, int R, int vall, int valr){
    if(R < l || L > r) return;
    push(id);
    if(L <= l && r <= R){
        lazy[id].l = vall;
        lazy[id].r = valr;
    } else {
        int m = (l + r) >> 1;
        update(id << 1, l, m, L, R, vall, valr);
        update(id << 1 | 1, m + 1, r, L, R, vall ,valr);
    }
}

void buildWall(int n, int k, int op[], int left[], int right[], int height[], int finalHeight[]){
    for(int i = 0; i < k; i++){
        if(op[i] == 1)
            update(1, 1, N, left[i] + 1, right[i] + 1, height[i], inf);
        else
            update(1, 1, N, left[i] + 1, right[i] + 1, 0, height[i]);
    }
    for(int i = 1; i < N * 2; i++)
        push(i);
    for(int i = 0; i < n; i++){
        finalHeight[i] = tree[i + N];
    }
}


int main()
{
  int n;
  int k;

  int i, j;
  int status = 0;

  status = scanf("%d%d", &n, &k);
  assert(status == 2);

  int* op = (int*)calloc(sizeof(int), k);
  int* left = (int*)calloc(sizeof(int), k);
  int* right = (int*)calloc(sizeof(int), k);
  int* height = (int*)calloc(sizeof(int), k);
  int* finalHeight = (int*)calloc(sizeof(int), n);

  for (i = 0; i < k; i++){
    status = scanf("%d%d%d%d", &op[i], &left[i], &right[i], &height[i]);
    assert(status == 4);
  }

  buildWall(n, k, op, left, right, height, finalHeight);
    cout<<'\n';
  for (j = 0; j < n; j++)
    printf("%d. %d\n", j, finalHeight[j]);

  return 0;
}

Compilation message (stderr)

/tmp/cckNSo1g.o: In function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'
/tmp/ccV36J1T.o:wall.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status