제출 #310598

#	제출 시각UTC-0	아이디	문제	언어	결과	실행 시간	메모리
310598	2020-10-07 13:30:18	Ruxandra985	Tug of War (BOI15_tug)	C++14	100 / 100	1085 ms	9752 KiB

tug

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#include <bits/stdc++.h>
#define DIMN 30010
using namespace std;
int n;
int f[4 * DIMN] , gr[4 * DIMN];
vector <pair <int , int> > v[4 * DIMN];
deque <int> dq;
bitset <20 * DIMN> rcs;
void dfs (int nod , int &val){
    int i , vecin , cst;
    f[nod] = 1;
    for (i = 0 ; i < v[nod].size() ; i++){
        vecin = v[nod][i].first;
        cst = v[nod][i].second;
        if (f[vecin])
            continue;
        if (vecin > 2 * n && vecin <= 3 * n){ /// il bagi in a
            val += cst;
        }
        else if (vecin > 3 * n) { /// il bagi in b
            val -= cst;
        }
 
 
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컴파일 시 표준 에러 (stderr) 메시지

tug.cpp: In function 'void dfs(int, int&)':
tug.cpp:18:20: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   18 |     for (i = 0 ; i < v[nod].size() ; i++){
      |                  ~~^~~~~~~~~~~~~~~
tug.cpp: In function 'int main()':
tug.cpp:70:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   70 |         for (i = 0 ; i < v[nod].size() ; i++){
      |                      ~~^~~~~~~~~~~~~~~
tug.cpp:88:24: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   88 |         for (i = 0 ; i < v[nod].size() ; i++){
      |                      ~~^~~~~~~~~~~~~~~
tug.cpp:43:12: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   43 |     fscanf (fin,"%d%d",&n,&k);
      |     ~~~~~~~^~~~~~~~~~~~~~~~~~
tug.cpp:45:16: warning: ignoring return value of 'int fscanf(FILE*, const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   45 |         fscanf (fin,"%d%d%d",&x,&y,&z);
      |         ~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~

• Subtask 1: 18 / 18
• Subtask 2: 30 / 30
• Subtask 3: 23 / 23
• Subtask 4: 29 / 29