제출 #1002675

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1002675		Lobo	MalnaRISC (COI21_malnarisc)	C++17	0 / 100	1 ms	348 KiB

malnarisc

#include<bits/stdc++.h>
using namespace std;
#define pb push_back

int main() {
	#ifndef ONLINE_JUDGE
	freopen("in.in","r",stdin);
	freopen("out.out","w",stdout);
	#endif

	int n; cin >> n;
	vector<string> lines;
	// for(int i = 0; i < 7; i++) {
	// 	lines.pb("");
	// 	for(int x = 0; x < n; x++) {
	// 		int y = (x^(1<<i));
	// 		if(y > x) continue;
	// 		lines.back() += ("CMPSWP R"+to_string(y+1)+" R"+to_string(x+1)+" ");
	// 	}
	// 	if(lines.back().size() == 0) lines.pop_back();
	// 	else lines.back().pop_back();
	// }

	for(int i = 0; i < n; i++) {
		for(int j = n-2; j >= i; j--) {
			lines.pb(("CMPSWP R"+to_string(j+1)+" R"+to_string(j+2)+" "));
		}
	}

	vector<string> ans = lines;
	// for(int s = 0; s < n; s++) {
	// 	for(int i = s-s; i < s-s+lines.size(); i++) {
	// 		ans.pb(lines[i%(int) lines.size()]);
	// 	}
	// }

	cout << ans.size() << endl;
	for(auto x : ans) {
		cout << x << endl;
	}
}

컴파일 시 표준 에러 (stderr) 메시지

malnarisc.cpp: In function 'int main()':
malnarisc.cpp:7:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    7 |  freopen("in.in","r",stdin);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~
malnarisc.cpp:8:9: warning: ignoring return value of 'FILE* freopen(const char*, const char*, FILE*)' declared with attribute 'warn_unused_result' [-Wunused-result]
    8 |  freopen("out.out","w",stdout);
      |  ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~

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