Submission #154971

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
154971	2019-09-25 17:23:33	Akashi	Street Lamps (APIO19_street_lamps)	C++14	100 / 100	2698 ms	287868 KiB

street_lamps

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#include <bits/stdc++.h>
using namespace std;
int n, q;
char t[25], light[300005];
struct interv{
    int x, y, tmp;
    bool operator < (const interv &aux)const{
        if(x != aux.x) return x < aux.x;
        return y < aux.y;
    }
};
set <interv> s;
struct node{
    int val;
    node *left, *right;
    node(){
        val = 0;
        left = right = NULL;
    }
};
struct data_structure{
    node *bit[300005];
    void update_seg(node *nod, int x, int val, int st = 1, int dr = n){
 
 
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Compilation message (stderr)

street_lamps.cpp: In function 'int main()':
street_lamps.cpp:174:22: warning: unused variable 'ok' [-Wunused-variable]
                 bool ok = 0;
                      ^~
street_lamps.cpp:140:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d", &n, &q);
     ~~~~~^~~~~~~~~~~~~~~~
street_lamps.cpp:141:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%s", light + 1);
     ~~~~~^~~~~~~~~~~~~~~~~
street_lamps.cpp:155:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%s", t);
         ~~~~~^~~~~~~~~
street_lamps.cpp:158:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf("%d%d", &x, &y);
             ~~~~~^~~~~~~~~~~~~~~~
street_lamps.cpp:172:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf("%d", &x);
             ~~~~~^~~~~~~~~~

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