Submission #224601

#	TimeUTC-0	Username	Problem	Language	Result	Execution time	Memory
224601	2020-04-18 13:36:47	PeppaPig	Sterilizing Spray (JOI15_sterilizing)	C++14	100 / 100	731 ms	66680 KiB

sterilizing

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#include <bits/stdc++.h>
#define long long long
using namespace std;
const int N = 1 << 17;
int n, q, k;
struct node {
    vector<long> vec;
    node() {}
    node(int x) {
        if(k == 1) vec.emplace_back(x);
        else while(x) {
            vec.emplace_back(x);
            x /= k;
        }
    }
    friend node operator+(const node &a, const node &b) {
        node ret;
        ret.vec = a.vec;
        for(int i = 0; i < b.vec.size(); i++) {
            if(ret.vec.size() <= i) ret.vec.emplace_back(b.vec[i]);
            else ret.vec[i] += b.vec[i];
        }
        while(!ret.vec.empty() && !ret.vec.back()) 
            ret.vec.pop_back();
        return ret;
 
 
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Compilation message (stderr)

sterilizing.cpp: In function 'node operator+(const node&, const node&)':
sterilizing.cpp:24:26: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
         for(int i = 0; i < b.vec.size(); i++) {
                        ~~^~~~~~~~~~~~~~
sterilizing.cpp:25:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
             if(ret.vec.size() <= i) ret.vec.emplace_back(b.vec[i]);
                ~~~~~~~~~~~~~~~^~~~
sterilizing.cpp: In function 'void print(int, int, int)':
sterilizing.cpp:95:52: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long long int' [-Wformat=]
     if(l == r) return void(printf("%d ", t[p].get()));
                                          ~~~~~~~~~~^
sterilizing.cpp: In function 'int main()':
sterilizing.cpp:101:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d %d %d", &n, &q, &k);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~
sterilizing.cpp:102:38: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     for(int i = 1; i <= n; i++) scanf("%d", A + i);
                                 ~~~~~^~~~~~~~~~~~~
sterilizing.cpp:106:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("%d %d %d", &T, &a, &b);
         ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 5 / 5
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 75 / 75