제출 #375230

#제출 시각아이디문제언어결과실행 시간메모리
375230daniel920712Naan (JOI19_naan)C++14
0 / 100
5 ms512 KiB
#include <iostream> #include <stdio.h> #include <stdlib.h> #include <vector> #include <algorithm> using namespace std; long long all[2005][2005]; long long sum[2005][2005]={0}; long long tt[2005]; vector < pair < long long , long long > > ans; int main() { long long N,M,a,b,x1,y1,x2,y2,c,i,j,ok=1,now=0; scanf("%lld %lld",&N,&M); for(i=0;i<N;i++) { sum[i][0]=0; for(j=0;j<M;j++) { scanf("%lld",&all[i][j]); sum[i][j]=sum[i][j-1]+all[i][j]; } } for(i=0;i<N;i++) tt[i]=i; do { ans.clear(); x1=0; y1=1; now=0; for(i=0;i<M;i++) { if(N*(x1+all[tt[now]][i]*y1)>=y1*sum[tt[now]][M-1]) { //printf("%lld %lld %lld %lld\n",(x1+all[tt[now]][i]*y1),y1,sum[tt[now]][M],N); x2=y1*sum[tt[now]][M-1]-x1*N; y2=y1*N*all[tt[now]][i]; if(now<N-1) { //printf("aa %lld %lld\n",now,i); ans.push_back(make_pair(x2+i*y2,y2)); } y1=y2; x1=y2-x2; if(now!=N) now++; } else x1+=all[tt[now]][i]*y1; //printf("%lld %lld %lld %lld\n",i,now,x1,y1); } if(now==N) { for(auto i:ans) printf("%lld %lld\n",i.first,i.second); for(i=0;i<N;i++) printf("%lld ",tt[i]+1); return 0; } }while(next_permutation(tt,tt+N)); printf("-1\n"); return 0; }

컴파일 시 표준 에러 (stderr) 메시지

naan.cpp: In function 'int main()':
naan.cpp:15:19: warning: unused variable 'a' [-Wunused-variable]
   15 |     long long N,M,a,b,x1,y1,x2,y2,c,i,j,ok=1,now=0;
      |                   ^
naan.cpp:15:21: warning: unused variable 'b' [-Wunused-variable]
   15 |     long long N,M,a,b,x1,y1,x2,y2,c,i,j,ok=1,now=0;
      |                     ^
naan.cpp:15:35: warning: unused variable 'c' [-Wunused-variable]
   15 |     long long N,M,a,b,x1,y1,x2,y2,c,i,j,ok=1,now=0;
      |                                   ^
naan.cpp:15:41: warning: unused variable 'ok' [-Wunused-variable]
   15 |     long long N,M,a,b,x1,y1,x2,y2,c,i,j,ok=1,now=0;
      |                                         ^~
naan.cpp:16:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   16 |     scanf("%lld %lld",&N,&M);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~
naan.cpp:22:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   22 |             scanf("%lld",&all[i][j]);
      |             ~~~~~^~~~~~~~~~~~~~~~~~~
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