提出 #74560

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ソースコード 拡げる

#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <cctype>
#include <cassert>
#include <climits>
#include <iostream>
#include <algorithm>
#include <vector>
#include <queue>
#include <map>
#include <set>
#include <string>
#include <sstream>
using namespace std;

#define REPN(i, a, b) for(int i = (int)(a); i < (int)(b); i++)
#define RREPN(i, a, b) for(int i = (int)(b); i >= (int)(a); i--)
#define REP(i, n) REPN(i, 0, n)
#define FOR(i, c) for(__typeof((c).begin()) i = (c).begin(); i != (c).end(); i++)
#define ALL(c) (c).begin(), (c).end()

typedef long long ll;
typedef pair<int, int> PII;
typedef vector<int> VI;
typedef vector<string> VS;

const int inf = INT_MAX / 3;
const double eps = 1e-8;

int main() {

  int C; // , X[100][3];
  scanf("%d", &C);
  // REP(i, C) scanf("%d%d%d", &X[i][0], &X[i][1], &X[i][2]);

  int B[3] = {0};
  REP(i, C) {
    int x[3];
    scanf("%d%d%d", &x[0], &x[1], &x[2]);
    VI v(3), r; REP(i, 3) v[i] = i;
    int lmin = inf;
    do {
      int tmp = max(B[0], x[v[0]]) * max(B[1], x[v[1]]) * max(B[2], x[v[2]]);
      if(tmp < lmin) {
        r = v;
        lmin = tmp;
      }
    } while(next_permutation(ALL(v)));

    REP(i, 3) B[i] = max(B[i], x[r[i]]);
  }

  printf("%d\n", B[0] * B[1] * B[2]);

  return 0;
}

提出情報

コンパイルエラー

./Main.cpp: In function ‘int main()’:
./Main.cpp:34:18: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]
./Main.cpp:40:41: warning: ignoring return value of ‘int scanf(const char*, ...)’, declared with attribute warn_unused_result [-Wunused-result]

ジャッジ結果