제출 #1011315

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
1011315	2024-06-30 10:18:47	boris_mihov	축구 경기장 (IOI23_soccer)	C++17	100 / 100	2367 ms	154708 KiB

soccer

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#include "soccer.h"
#include <algorithm>
#include <iostream>
#include <numeric>
#include <cassert>
#include <vector>
#include <map>
typedef long long llong;
const int MAXN = 2000 + 10;
const int INF  = 1e9;
int n;
int p[MAXN][MAXN];
int t[MAXN][MAXN];
inline int sum(int rowB, int colB, int rowE, int colE)
{
    return p[rowE][colE] - p[rowB - 1][colE] - p[rowE][colB - 1] + p[rowB - 1][colB - 1];
}
std::pair <int,int> extend(int row, int colB, int colE)
{
    assert(row > 0);
    std::pair <int,int> sol;
    int l = 0, r = row, mid;
    while (l < r - 1)
    {
        mid = l + r >> 1;
        if (sum(mid, colB, row, colE) != 0) l = mid;
 
 
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컴파일 시 표준 에러 (stderr) 메시지

soccer.cpp: In function 'std::pair<int, int> extend(int, int, int)':
soccer.cpp:29:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   29 |         mid = l + r >> 1;
      |               ~~^~~
soccer.cpp:35:28: warning: right operand of comma operator has no effect [-Wunused-value]
   35 |     l = row, r = n + 1, mid;
      |                            ^
soccer.cpp:38:17: warning: suggest parentheses around '+' inside '>>' [-Wparentheses]
   38 |         mid = l + r >> 1;
      |               ~~^~~
soccer.cpp: In function 'int f(int, int, int, int)':
soccer.cpp:92:17: warning: unused variable 'lastRes' [-Wunused-variable]
   92 |             int lastRes = res;
      |                 ^~~~~~~
soccer.cpp:103:17: warning: unused variable 'lastRes' [-Wunused-variable]
  103 |             int lastRes = res;
      |                 ^~~~~~~

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