Submission #1252796

#	Time	Username	Problem	Language	Result	Execution time	Memory
1252796		TIN	선물 (IOI25_souvenirs)	C++20	Compilation error	0 ms	0 KiB

souvenirs

#include "souvenirs.h"
#include <utility>
#include <vector>

void buy_souvenirs(int N, long long P0) {
	// std::pair<std::vector<int>, long long> res = transaction(3);
	if (N == 2) {
		std::pair<std::vector<int>, long long> res = transaction(P0 - 1);
		return;
	}
	std::vector<int> p(N, 0);
	std::vector<int> cnt(N, 0);
	p[0] = P0;
	for (int i = 1; i < N; i++) {
		if (cnt[i] == i) continue;
		std::pair<std::vector<int>, long long> res = transaction(p[i - 1] - 1);
		cnt[i]++;
		p[i] = p[i - 1] - 1;
		if ((int) res.first.size() > 1 || res.second > 0) p[i]--;
		if ((int) res.first.size() > 1) cnt[res.first[1]]++;
		while (cnt[i] < i) std::pair<std::vector<int>, long long> res = transaction(p[i]), cnt[i]++;
	}
	return;
}

Compilation message (stderr)

souvenirs.cpp: In function 'void buy_souvenirs(int, long long int)':
souvenirs.cpp:21:106: error: expected initializer before '++' token
   21 |                 while (cnt[i] < i) std::pair<std::vector<int>, long long> res = transaction(p[i]), cnt[i]++;
      |                                                                                                          ^~