Submission #798679

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
798679	2023-07-30 22:51:37	gg123_pe	Street Lamps (APIO19_street_lamps)	C++14	60 / 100	1199 ms	167660 KiB

street_lamps

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
#include <bits/stdc++.h> 
using namespace std; 
typedef long long ll; 
#define f(i,a,b) for(int i = a; i < b; i++)
const int N = 3e5 + 5, M = 1000;
const int RA = 1e6 + 5; 
int n, q; 
ll a[M][M]; 
void subtask_1(){
    f(i,1,q+1){
        f(j,1,n+1) a[i][j] = a[i-1][j]; 
        string ty; 
        ll x, y;
        cin >> ty; 
        if(ty[0] == 'q'){
            cin >> x >> y; 
            // cuantos tiempos el rango [x, y-1] suma 0
            int ans = 0; 
            f(j,0,i){
                int sum = 0; 
                f(r,x,y) sum += a[j][r]; 
                if(sum == 0) ans++; 
            }
            cout << ans << "\n"; 
        }
 
 
הההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההההה
XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX

• Subtask 1: 20 / 20
• Subtask 2: 20 / 20
• Subtask 3: 20 / 20
• Subtask 4: 0 / 20
• Subtask 5: 0 / 20