Submission #228751

#	Time	Username	Problem	Language	Result	Execution time	Memory
228751		Rakhmand	Fire (JOI20_ho_t5)	C++14	0 / 100	1093 ms	13176 KiB

ho_t5

// I feel still alive.
//  Created by existence on 18/04/2003.
//  Copyright © 2020 Rakhman. All rights reserved.

#include <vector>
#include <map>
#include <set>
#include <deque>
#include <algorithm>
#include <iostream>
#include <cmath>
#include <iterator>

#define ios ios_base::sync_with_stdio(0), cout.tie(0), cin.tie(0);
#define S second
#define F first
#define nl '\n'

const long long mxn = 1e6 + 10;
const long long mod = 1e9 + 7;
const long long inf = 1e18;

typedef long long llong;

using namespace std;

void istxt(bool yes){
    if(yes == 1){
        freopen("balancing.in", "r", stdin);
        freopen("balancing.out", "w", stdout);
    }else{
        freopen("/Users/rakhmanabdirashov/Desktop/folder/Programming/Road2Master/Road2Master/input.txt", "r", stdin);
    }
}

int n, Q, b[mxn], l[mxn], mx[mxn];
llong ans[mxn];

struct query{
    int t, l, r, ind;
}q[mxn];

bool cmp(query a, query b){
    return a.t < b.t;
}

int main () {
    ios;
    //istxt(0);
    cin >> n >> Q;
    for(int i = 1; i <= n; i++){
        cin >> b[i];
        mx[i] = b[i];
        l[i] = i;
    }
    for(int i = 1; i <= Q; i++){
        cin >> q[i].t >> q[i].l >> q[i].r;
        q[i].ind = i;
    }
    sort(q + 1, q + Q + 1, cmp);
    for(int qq = 1; qq <= Q; qq++){
        int last = q[qq].t - q[qq - 1].t;
        for(int i = 1; i <= n; i++){
            for(int j = 1; j <= last; j++){
                l[i]--;
                if(l[i] <= 0) break;
                mx[i] = max(mx[i], b[l[i]]);
            }
        }
        llong sum = 0;
        for(int i = q[qq].l; i <= q[qq].r; i++){
            sum += mx[i];
        }
        ans[q[qq].ind] = sum;
    }
    for(int i = 1; i <= n; i++){
        cout << ans[i] << nl;
    }
    return 0;
}
/*
 5 5
 9 3 2 6 5
 1 1 3
 2 1 5
 3 2 5
 4 3 3
 5 3 5
 
 10 10
 3 1 4 1 5 9 2 6 5 3
 1 1 6
 2 8 10
 4 2 7
 8 3 3
 6 1 10
 3 2 8
 5 1 9
 7 4 5
 9 7 9
 10 10 10
 */

Compilation message (stderr)

ho_t5.cpp: In function 'void istxt(bool)':
ho_t5.cpp:29:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
         freopen("balancing.in", "r", stdin);
         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~
ho_t5.cpp:30:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
         freopen("balancing.out", "w", stdout);
         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ho_t5.cpp:32:16: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)', declared with attribute warn_unused_result [-Wunused-result]
         freopen("/Users/rakhmanabdirashov/Desktop/folder/Programming/Road2Master/Road2Master/input.txt", "r", stdin);
         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 0 / 1
• Subtask 2: 0 / 6
• Subtask 3: 0 / 7
• Subtask 4: 0 / 6
• Subtask 5: 0 / 80