제출 #1007208

#제출 시각아이디문제언어결과실행 시간메모리
1007208devariaota콤보 (IOI18_combo)C++17
컴파일 에러
0 ms0 KiB
#include<bits/stdc++.h> using namespace std; string s,ans,coba; int n; string guess_sequence(int N) { n = N; return s; } int press (string p) { int i=0, j=0, ret=0; while (i < n && j < p.size()) { if (s[i] == p[j]) { i++; ret = max(i,ret); } else { if (i>0) j--; i = 0; } j++; } return ret; } for (int i=1; i<=n; i++) { if (i == 1) { coba = "AB"; int x = press(coba); if (x == 0) { coba = "X"; int y = press(coba); if (y == 1) { ans+="X"; } else { ans+="Y"; } } else { coba = "A"; int y = press(coba); if (y == 1) { ans+="A"; } else { ans+="B"; } } } else { coba = ans + "B" + ans + "XB" + ans + "XX" + ans + "XY"; int x = press(coba); if (x == n) { break; } if (x == i) { ans += "B"; } else if (x == i + 1) { ans += "X"; } else { ans += "Y"; if (i == n) { int y = press(ans); } } } }

컴파일 시 표준 에러 (stderr) 메시지

combo.cpp: In function 'int press(std::string)':
combo.cpp:14:21: warning: comparison of integer expressions of different signedness: 'int' and 'std::__cxx11::basic_string<char>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   14 |   while (i < n && j < p.size()) {
      |                   ~~^~~~~~~~~~
combo.cpp: At global scope:
combo.cpp:27:1: error: expected unqualified-id before 'for'
   27 | for (int i=1; i<=n; i++) {
      | ^~~
combo.cpp:27:15: error: 'i' does not name a type
   27 | for (int i=1; i<=n; i++) {
      |               ^
combo.cpp:27:21: error: 'i' does not name a type
   27 | for (int i=1; i<=n; i++) {
      |                     ^