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求助大牛帮忙,检查了好长时间,一直看不出来自己错哪了,测试数据对,但wa……#include <iostream> #include <cstdlib> using namespace std; struct node{ int num; int p; }b[101]; int compare(const void *a,const void *b){ node* m=(node*)a; node* n=(node*)b; return (m->num>n->num); } int main(){ int m,n; cin >>m>>n; char a[101][51]; for(int i=0;i<n;i++){ b[i].num=0; b[i].p=i; for(int j=0;j<m;j++){ cin >>a[i][j]; } for(int k=m-2;k>=0;k--){ for(int l=k+1;l<m;l++){ if(a[i][k]>a[i][l]) b[i].num++; } } } qsort(b,n,sizeof(node),compare); for(i=0;i<n;i++){ for(int j=0;j<m;j++){ cout <<a[b[i].p][j]; } cout <<endl; } return 0; } Followed by:
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