제출 #211843

#제출 시각아이디문제언어결과실행 시간메모리
211843zimpha복사 붙여넣기 2 (JOI15_copypaste2)C++17
100 / 100
274 ms8612 KiB
#include <cstdio>
#include <cstring>
#include <cassert>
#include <vector>
#include <string>
#include <algorithm>

const int N = 2e5 + 10;

char s[N];

int main() {
  int n, k, m;
  scanf("%d%d%s", &k, &m, s);
  scanf("%d", &n);
  std::vector<int> a(n), b(n), c(n);
  for (int i = 0; i < n; ++i) {
    scanf("%d%d%d", &a[i], &b[i], &c[i]);
  }
  for (int i = 0; i < k; ++i) {
    int p = i;
    for (int j = n - 1; j >= 0; --j) {
      int x = c[j], y = x + b[j] - a[j];
      if (p >= y) p -= b[j] - a[j];
      else if (p >= x) p = a[j] + p - x;
    }
    putchar(s[p]);
  }
  puts("");
  return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

copypaste2.cpp: In function 'int main()':
copypaste2.cpp:14:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d%d%s", &k, &m, s);
   ~~~~~^~~~~~~~~~~~~~~~~~~~~
copypaste2.cpp:15:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%d", &n);
   ~~~~~^~~~~~~~~~
copypaste2.cpp:18:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
     scanf("%d%d%d", &a[i], &b[i], &c[i]);
     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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