oj.uz

Submission #27245

# Submission time Handle Problem Language Result Execution time Memory
27245 2017-07-11T13:08:58 Z TAMREF Trading (IZhO13_trading) C++11
100 / 100
 519 ms 11400 KB 
#include <bits/stdc++.h>
using namespace std;
const int mx=300005, ms=1048577;
struct Segtree{
    int a[mx],seg[ms],lz[ms];
    int i,v,l,r;
    Segtree(){
        memset(a,0,sizeof(a));
        fill(seg,seg+ms,INT_MIN);
        fill(lz,lz+ms,INT_MIN);
    }
    int rmq(int n, int s, int e){
        if(lz[n]!=INT_MIN){
            seg[n]=max(seg[n],lz[n]);
            if(s!=e){
                lz[n<<1]=max(lz[n<<1],lz[n]);
                lz[n<<1|1]=max(lz[n<<1|1],lz[n]);
            } lz[n]=INT_MIN;
        }
        if(i<s||i>e) return INT_MIN;
        if(s==i&&i==e) return seg[n];
        int m=(s+e)>>1;
        return seg[n]=max(rmq(n<<1,s,m),rmq(n<<1|1,m+1,e));
    }
    void update(int n, int s, int e){
        if(lz[n]!=INT_MIN){
            seg[n]=max(seg[n],lz[n]);
            if(s!=e){
                lz[n<<1]=max(lz[n<<1],lz[n]);
                lz[n<<1|1]=max(lz[n<<1|1],lz[n]);
            } lz[n]=INT_MIN;
        }
        if(s>r||e<l) return;
        if(l<=s&&e<=r){
            seg[n]=max(seg[n],v);
            if(s!=e){
                lz[n<<1]=max(lz[n<<1],v);
                lz[n<<1|1]=max(lz[n<<1|1],v);
            }
            return;
        }
        int y=(s+e)>>1;
        update(n<<1,s,y);
        update(n<<1|1,y+1,e);
        seg[n]=max(seg[n<<1],seg[n<<1|1]);
    }
} S;
int main(){
    int N,M;
    for(scanf("%d%d",&N,&M);M--;){
        scanf("%d%d%d",&S.l,&S.r,&S.v);
        S.v-=S.l;
        S.update(1,1,N);
    }
    for(S.i=1;S.i<=N;S.i++){
        int t=S.rmq(1,1,N);
        printf("%d ",(t==INT_MIN)?0:t+S.i);
    }
}

Compilation message

trading.cpp: In function 'int main()':
trading.cpp:50:28: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(scanf("%d%d",&N,&M);M--;){
                            ^
trading.cpp:51:39: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d%d%d",&S.l,&S.r,&S.v);
                                       ^

Subtask #1
100.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 11400 KB Output is correct
2 Correct 3 ms 11400 KB Output is correct
3 Correct 0 ms 11400 KB Output is correct
4 Correct 0 ms 11400 KB Output is correct
5 Correct 0 ms 11400 KB Output is correct
6 Correct 6 ms 11400 KB Output is correct
7 Correct 246 ms 11400 KB Output is correct
8 Correct 299 ms 11400 KB Output is correct
9 Correct 306 ms 11400 KB Output is correct
10 Correct 303 ms 11400 KB Output is correct
11 Correct 299 ms 11400 KB Output is correct
12 Correct 319 ms 11400 KB Output is correct
13 Correct 329 ms 11400 KB Output is correct
14 Correct 316 ms 11400 KB Output is correct
15 Correct 463 ms 11400 KB Output is correct
16 Correct 419 ms 11400 KB Output is correct
17 Correct 333 ms 11400 KB Output is correct
18 Correct 389 ms 11400 KB Output is correct
19 Correct 493 ms 11400 KB Output is correct
20 Correct 519 ms 11400 KB Output is correct