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昨晚动态凌晨2:30,郁闷了。今天这题,一次编译,一次提交AC了,情绪一下子就爆发了。贴出代码#include<stdio.h> int op[2][102]; int max; int a[102][102]; int main() { int f,v; int i,j; while(scanf("%d%d",&f,&v)!=EOF) { for(i=0;i<f;i++) for(j=0;j<v;j++) scanf("%d",&a[i][j]); for(i=0;i<f;i++) { max=-100; for(j=i;j<=v-f+i;j++) { if(i==0) op[i][j]=a[0][j]; else { if(op[(i-1)%2][j-1]>max) max=op[(i-1)%2][j-1]; op[i%2][j]=max+a[i][j]; } } } max=0; for(i=v-f;i<v;i++) { if(op[(f-1)%2][i]>max) max=op[(f-1)%2][i]; } printf("%d\n",max); } return 0; } Followed by:
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