제출 #328427

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
328427	2020-11-16 14:17:14	ryangohca	Feast (NOI19_feast)	C++17	4 / 100	497 ms	40940 KiB

feast

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#include <bits/stdc++.h>
#define int long long
using namespace std;
#define pii pair<int, int>
set<pii> nums;
set<pii> absnums;
main() {
    ios_base::sync_with_stdio(0); cin.tie(0);
    int n, k; cin >> n >> k;
    bool ispos = true;
    bool acceptneg = false;
    int s = 0;
    int idx = 0;
    for (int i = 0; i < n; i++){
        int g; cin >> g;
        if (g > 0) {
            acceptneg = true;
            if (!ispos){
                nums.insert({idx, s});
                absnums.insert({abs(s), idx});
                s = 0;
                ispos = true;
                idx++;
            }
            s += g;
        } else {
            if (!acceptneg) continue;
            if (ispos){
                nums.insert({idx, s});
                absnums.insert({abs(s), idx});
 
 
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컴파일 시 표준 에러 (stderr) 메시지

feast.cpp:7:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
    7 | main() {
      |      ^
feast.cpp: In function 'int main()':
feast.cpp:42:32: warning: comparison of integer expressions of different signedness: 'std::set<std::pair<long long int, long long int> >::size_type' {aka 'long unsigned int'} and 'long long int' [-Wsign-compare]
   42 |     while (nums.size() / 2 + 1 > k){
      |            ~~~~~~~~~~~~~~~~~~~~^~~

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