제출 #425438

#제출 시각아이디문제언어결과실행 시간메모리
425438errorgorn나머지들의 합 (NOI12_modsum)C++17
25 / 25
78 ms332 KiB
#include <cstdio> using namespace std; int n,arr[1005][2],k; void loop(int i,int v){ if (i==n) { v=(v*v)%5; k+=(((v+2)*v)%5)+1; } else{ for (int x=arr[i][0];x<=arr[i][1];x++){ loop(i+1,(v+x)%5); } } } int main(){ scanf("%d",&n); for (int x=0;x<n;x++){ scanf("%d%d",&arr[x][0],&arr[x][1]); } loop(0,0); printf("%d",k); }

컴파일 시 표준 에러 (stderr) 메시지

modsum.cpp: In function 'int main()':
modsum.cpp:16:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   16 |   scanf("%d",&n);
      |   ~~~~~^~~~~~~~~
modsum.cpp:18:10: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
   18 |     scanf("%d%d",&arr[x][0],&arr[x][1]);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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